diff --git a/code/ryzom/tools/server/ryzom_ams/ams_lib/autoload/ticket_log.php b/code/ryzom/tools/server/ryzom_ams/ams_lib/autoload/ticket_log.php
new file mode 100644
index 000000000..c8c06a9aa
--- /dev/null
+++ b/code/ryzom/tools/server/ryzom_ams/ams_lib/autoload/ticket_log.php
@@ -0,0 +1,93 @@
+<?php
+
+class Ticket_Log{
+    
+    private $tCategoryId;
+    private $name;
+    
+    ////////////////////////////////////////////Functions////////////////////////////////////////////////////
+    
+    
+    //Creates a ticket_Catergory in the DB
+    public static function createTicketCategory( $name) {
+        $dbl = new DBLayer("lib");
+        $query = "INSERT INTO ticket_category (Name) VALUES (:name)";
+        $values = Array('name' => $name);
+        $dbl->execute($query, $values);
+
+    }
+
+
+    //return constructed element based on TCategoryId
+    public static function constr_TCategoryId( $id) {
+        $instance = new self();
+        $instance->setTCategoryId($id);
+        return $instance;
+    }
+    
+    //returns list of all category objects
+    public static function getAllCategories() {
+        $dbl = new DBLayer("lib");
+        $statement = $dbl->executeWithoutParams("SELECT * FROM ticket_category");
+        $row = $statement->fetchAll();
+        $result = Array();
+        foreach($row as $category){
+            $instance = new self();
+            $instance->tCategoryId = $category['TCategoryId'];
+            $instance->name = $category['Name'];
+            $result[] = $instance;
+        }
+        return $result; 
+    }
+     
+    
+    ////////////////////////////////////////////Methods////////////////////////////////////////////////////
+     
+    public function __construct() {
+    }
+
+    //return constructed element based on TCategoryId
+    public function load_With_TCategoryId( $id) {
+        $dbl = new DBLayer("lib");
+        $statement = $dbl->execute("SELECT * FROM ticket_category WHERE TCategoryId=:id", array('id' => $id));
+        $row = $statement->fetch();
+        $this->tCategoryId = $row['TCategoryId'];
+        $this->name = $row['Name'];
+    }
+    
+    
+    //update private data to DB.
+    public function update(){
+        $dbl = new DBLayer("lib");
+        $query = "UPDATE ticket_category SET Name = :name WHERE TCategoryId=:id";
+        $values = Array('id' => $this->tCategoryId, 'name' => $this->name);
+        $statement = $dbl->execute($query, $values);
+    }
+    
+    ////////////////////////////////////////////Getters////////////////////////////////////////////////////
+    
+    public function getName(){
+        if ($this->name == ""){
+            $this->load_With_TCategoryId($this->tCategoryId);
+        }
+        return $this->name;
+    }
+    
+    
+    public function getTCategoryId(){
+        return $this->tCategoryId;
+    }
+    
+    
+    ////////////////////////////////////////////Setters////////////////////////////////////////////////////
+     
+    public function setName($n){
+        $this->name = $n;
+    }
+    
+    public function setTCategoryId($id){
+        $this->tCategoryId = $id;
+    }
+   
+    
+}
\ No newline at end of file
diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/func/reply_on_ticket.php b/code/ryzom/tools/server/ryzom_ams/www/html/func/reply_on_ticket.php
index 2e8178262..beb9c086b 100644
--- a/code/ryzom/tools/server/ryzom_ams/www/html/func/reply_on_ticket.php
+++ b/code/ryzom/tools/server/ryzom_ams/www/html/func/reply_on_ticket.php
@@ -12,11 +12,11 @@ function reply_on_ticket(){
         if(($target_ticket->getAuthor() ==   $_SESSION['ticket_user']->getTUserId())  ||  WebUsers::isAdmin() ){
             
             try{
-                
-                $content = filter_var($_POST['Content'], FILTER_SANITIZE_STRING);
-                $author = $_SESSION['ticket_user']->getTUserId();
-                Ticket_Reply::createReply($content, $author, $ticket_id);
-                
+                if(isset($_POST['ChangeStatus']) && $_POST['Content'] != ""){
+                    $content = filter_var($_POST['Content'], FILTER_SANITIZE_STRING);
+                    $author = $_SESSION['ticket_user']->getTUserId();
+                    Ticket_Reply::createReply($content, $author, $ticket_id);
+                }
                 if(isset($_POST['ChangeStatus']) && isset($_POST['ChangePriority']) && WebUsers::isAdmin()){
                     $newStatus = filter_var($_POST['ChangeStatus'], FILTER_SANITIZE_NUMBER_INT);
                     $newPriority = filter_var($_POST['ChangePriority'], FILTER_SANITIZE_NUMBER_INT); 
diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/sql/DBScheme.png b/code/ryzom/tools/server/ryzom_ams/www/html/sql/DBScheme.png
index 340e67c5c..ca3c001a0 100644
Binary files a/code/ryzom/tools/server/ryzom_ams/www/html/sql/DBScheme.png and b/code/ryzom/tools/server/ryzom_ams/www/html/sql/DBScheme.png differ
diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/sql/install.php b/code/ryzom/tools/server/ryzom_ams/www/html/sql/install.php
index d85328983..867428946 100644
--- a/code/ryzom/tools/server/ryzom_ams/www/html/sql/install.php
+++ b/code/ryzom/tools/server/ryzom_ams/www/html/sql/install.php
@@ -45,206 +45,234 @@
             `query` VARCHAR( 512 ) NOT NULL 
             );
             
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_category`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_category` ;
+
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_category`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_category` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_category` (
+          `TCategoryId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Name` VARCHAR(45) NOT NULL ,
+          PRIMARY KEY (`TCategoryId`) ,
+          UNIQUE INDEX `Name_UNIQUE` (`Name` ASC) )
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_user`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_user` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (
+          `TUserId` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Permission` INT(3) NOT NULL DEFAULT 1 ,
+          `ExternId` INT(10) UNSIGNED NOT NULL ,
+          PRIMARY KEY (`TUserId`) )
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket` (
+          `TId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Timestamp` TIMESTAMP NOT NULL ,
+          `Title` VARCHAR(120) NOT NULL ,
+          `Status` INT NULL DEFAULT 0 ,
+          `Queue` INT NULL DEFAULT 0 ,
+          `Ticket_Category` INT UNSIGNED NOT NULL ,
+          `Author` INT UNSIGNED NOT NULL ,
+          `Priority` INT(3) NULL DEFAULT 0 ,
+          PRIMARY KEY (`TId`) ,
+          INDEX `fk_ticket_ticket_category_idx` (`Ticket_Category` ASC) ,
+          INDEX `fk_ticket_ams_user_idx` (`Author` ASC) ,
+          CONSTRAINT `fk_ticket_ticket_category`
+            FOREIGN KEY (`Ticket_Category` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_category` (`TCategoryId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION,
+          CONSTRAINT `fk_ticket_ams_user`
+            FOREIGN KEY (`Author` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (`TUserId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION)
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`assigned`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`assigned` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`assigned` (
+          `Ticket` INT UNSIGNED NOT NULL ,
+          `User` INT UNSIGNED NOT NULL ,
+          INDEX `fk_assigned_ticket_idx` (`Ticket` ASC) ,
+          PRIMARY KEY (`Ticket`, `User`) ,
+          INDEX `fk_assigned_ams_user_idx` (`User` ASC) ,
+          CONSTRAINT `fk_assigned_ticket`
+            FOREIGN KEY (`Ticket` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION,
+          CONSTRAINT `fk_assigned_ams_user`
+            FOREIGN KEY (`User` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (`TUserId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION)
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`tag`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`tag` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`tag` (
+          `TagId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Value` VARCHAR(60) NOT NULL ,
+          PRIMARY KEY (`TagId`) ,
+          UNIQUE INDEX `Value_UNIQUE` (`Value` ASC) )
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`tagged`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`tagged` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`tagged` (
+          `Ticket` INT UNSIGNED NOT NULL ,
+          `Tag` INT UNSIGNED NOT NULL ,
+          PRIMARY KEY (`Ticket`, `Tag`) ,
+          INDEX `fk_tagged_tag_idx` (`Tag` ASC) ,
+          CONSTRAINT `fk_tagged_ticket`
+            FOREIGN KEY (`Ticket` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION,
+          CONSTRAINT `fk_tagged_tag`
+            FOREIGN KEY (`Tag` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`tag` (`TagId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION)
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_content`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_content` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_content` (
+          `TContentId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Content` TEXT NULL ,
+          PRIMARY KEY (`TContentId`) )
+        ENGINE = InnoDB
+        DEFAULT CHARACTER SET = utf8;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_reply`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_reply` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_reply` (
+          `TReplyId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Ticket` INT UNSIGNED NOT NULL ,
+          `Author` INT UNSIGNED NOT NULL ,
+          `Content` INT UNSIGNED NOT NULL ,
+          `Timestamp` TIMESTAMP NULL ,
+          PRIMARY KEY (`TReplyId`) ,
+          INDEX `fk_ticket_reply_ticket_idx` (`Ticket` ASC) ,
+          INDEX `fk_ticket_reply_ams_user_idx` (`Author` ASC) ,
+          INDEX `fk_ticket_reply_content_idx` (`Content` ASC) ,
+          CONSTRAINT `fk_ticket_reply_ticket`
+            FOREIGN KEY (`Ticket` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION,
+          CONSTRAINT `fk_ticket_reply_ams_user`
+            FOREIGN KEY (`Author` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (`TUserId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION,
+          CONSTRAINT `fk_ticket_reply_ticket_content`
+            FOREIGN KEY (`Content` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_content` (`TContentId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION)
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_group`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_group` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_group` (
+          `TGroupId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Title` VARCHAR(80) NOT NULL ,
+          PRIMARY KEY (`TGroupId`) ,
+          UNIQUE INDEX `Title_UNIQUE` (`Title` ASC) )
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`in_group`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`in_group` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`in_group` (
+          `Ticket_Group` INT UNSIGNED NOT NULL ,
+          `Ticket` INT UNSIGNED NOT NULL ,
+          PRIMARY KEY (`Ticket_Group`, `Ticket`) ,
+          INDEX `fk_in_group_ticket_group_idx` (`Ticket_Group` ASC) ,
+          INDEX `fk_in_group_ticket_idx` (`Ticket` ASC) ,
+          CONSTRAINT `fk_in_group_ticket_group`
+            FOREIGN KEY (`Ticket_Group` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_group` (`TGroupId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION,
+          CONSTRAINT `fk_in_group_ticket`
+            FOREIGN KEY (`Ticket` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION)
+        ENGINE = InnoDB;
+        
+        
+        -- -----------------------------------------------------
+        -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_log`
+        -- -----------------------------------------------------
+        DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_log` ;
+        
+        CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_log` (
+          `TLogId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+          `Timestamp` TIMESTAMP NOT NULL ,
+          `Query` VARCHAR(255) NOT NULL ,
+          `Ticket` INT UNSIGNED NOT NULL ,
+          `Author` INT(10) UNSIGNED NULL ,
+          PRIMARY KEY (`TLogId`) ,
+          INDEX `fk_ticket_log_ticket1` (`Ticket` ASC) ,
+          INDEX `fk_ticket_log_ticket_user1` (`Author` ASC) ,
+          CONSTRAINT `fk_ticket_log_ticket1`
+            FOREIGN KEY (`Ticket` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION,
+          CONSTRAINT `fk_ticket_log_ticket_user1`
+            FOREIGN KEY (`Author` )
+            REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (`TUserId` )
+            ON DELETE NO ACTION
+            ON UPDATE NO ACTION)
+        ENGINE = InnoDB;
             
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_category` (
-              `TCategoryId` INT NOT NULL AUTO_INCREMENT ,
-              `Name` VARCHAR(45) NOT NULL ,
-              PRIMARY KEY (`TCategoryId`) ,
-              UNIQUE INDEX `Name_UNIQUE` (`Name` ASC) )
-            ENGINE = InnoDB;
-            
-            INSERT IGNORE INTO `" . $cfg['db']['lib']['name'] ."`.`ticket_category` (`Name`) VALUES ('Hacking'),('Ingame-Bug'),('Website-Bug'),('Installation');
+        INSERT IGNORE INTO `" . $cfg['db']['lib']['name'] ."`.`ticket_category` (`Name`) VALUES ('Hacking'),('Ingame-Bug'),('Website-Bug'),('Installation');
                 
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_user`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_user` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (
-              `TUserId` INT(10) NOT NULL AUTO_INCREMENT ,
-              `Permission` INT(3) NOT NULL DEFAULT 1 ,
-              `ExternId` INT(10) NOT NULL ,
-              PRIMARY KEY (`TUserId`) )
-            ENGINE = InnoDB;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket` (
-              `TId` INT NOT NULL AUTO_INCREMENT ,
-              `Timestamp` TIMESTAMP NOT NULL ,
-              `Title` VARCHAR(120) NOT NULL ,
-              `Status` INT NULL DEFAULT 0 ,
-              `Queue` INT NULL DEFAULT 0 ,
-              `Priority` INT NULL DEFAULT 0 ,
-              `Ticket_Category` INT NOT NULL ,
-              `Author` INT NOT NULL ,
-              PRIMARY KEY (`TId`) ,
-              INDEX `fk_ticket_ticket_category_idx` (`Ticket_Category` ASC) ,
-              INDEX `fk_ticket_ams_user_idx` (`Author` ASC) ,
-              CONSTRAINT `fk_ticket_ticket_category`
-                FOREIGN KEY (`Ticket_Category` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_category` (`TCategoryId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION,
-              CONSTRAINT `fk_ticket_ams_user`
-                FOREIGN KEY (`Author` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (`TUserId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION)
-            ENGINE = InnoDB;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`assigned`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`assigned` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`assigned` (
-              `Ticket` INT NOT NULL ,
-              `User` INT NOT NULL ,
-              INDEX `fk_assigned_ticket_idx` (`Ticket` ASC) ,
-              PRIMARY KEY (`Ticket`, `User`) ,
-              INDEX `fk_assigned_ams_user_idx` (`User` ASC) ,
-              CONSTRAINT `fk_assigned_ticket`
-                FOREIGN KEY (`Ticket` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION,
-              CONSTRAINT `fk_assigned_ams_user`
-                FOREIGN KEY (`User` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (`TUserId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION)
-            ENGINE = InnoDB;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`tag`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`tag` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`tag` (
-              `TagId` INT NOT NULL AUTO_INCREMENT ,
-              `Value` VARCHAR(60) NOT NULL ,
-              PRIMARY KEY (`TagId`) ,
-              UNIQUE INDEX `Value_UNIQUE` (`Value` ASC) )
-            ENGINE = InnoDB;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`tagged`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`tagged` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`tagged` (
-              `Ticket` INT NOT NULL ,
-              `Tag` INT NOT NULL ,
-              PRIMARY KEY (`Ticket`, `Tag`) ,
-              INDEX `fk_tagged_tag_idx` (`Tag` ASC) ,
-              CONSTRAINT `fk_tagged_ticket`
-                FOREIGN KEY (`Ticket` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION,
-              CONSTRAINT `fk_tagged_tag`
-                FOREIGN KEY (`Tag` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`tag` (`TagId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION)
-            ENGINE = InnoDB;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_content`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_content` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_content` (
-              `TContentId` INT NOT NULL AUTO_INCREMENT ,
-              `Content` TEXT NULL ,
-              PRIMARY KEY (`TContentId`) )
-            ENGINE = InnoDB
-            DEFAULT CHARACTER SET = utf8;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_reply`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_reply` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_reply` (
-              `TReplyId` INT NOT NULL AUTO_INCREMENT ,
-              `Ticket` INT NOT NULL ,
-              `Author` INT NOT NULL ,
-              `Content` INT NOT NULL ,
-              `Timestamp` TIMESTAMP NULL ,
-              PRIMARY KEY (`TReplyId`) ,
-              INDEX `fk_ticket_reply_ticket_idx` (`Ticket` ASC) ,
-              INDEX `fk_ticket_reply_ams_user_idx` (`Author` ASC) ,
-              INDEX `fk_ticket_reply_content_idx` (`Content` ASC) ,
-              CONSTRAINT `fk_ticket_reply_ticket`
-                FOREIGN KEY (`Ticket` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION,
-              CONSTRAINT `fk_ticket_reply_ams_user`
-                FOREIGN KEY (`Author` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_user` (`TUserId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION,
-              CONSTRAINT `fk_ticket_reply_ticket_content`
-                FOREIGN KEY (`Content` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_content` (`TContentId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION)
-            ENGINE = InnoDB;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`ticket_group`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_group` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`ticket_group` (
-              `TGroupId` INT NOT NULL AUTO_INCREMENT ,
-              `Title` VARCHAR(80) NOT NULL ,
-              PRIMARY KEY (`TGroupId`) ,
-              UNIQUE INDEX `Title_UNIQUE` (`Title` ASC) )
-            ENGINE = InnoDB;
-            
-            
-            -- -----------------------------------------------------
-            -- Table `" . $cfg['db']['lib']['name'] ."`.`in_group`
-            -- -----------------------------------------------------
-            DROP TABLE IF EXISTS `" . $cfg['db']['lib']['name'] ."`.`in_group` ;
-            
-            CREATE  TABLE IF NOT EXISTS `" . $cfg['db']['lib']['name'] ."`.`in_group` (
-              `Ticket_Group` INT NOT NULL ,
-              `Ticket` INT NOT NULL ,
-              PRIMARY KEY (`Ticket_Group`, `Ticket`) ,
-              INDEX `fk_in_group_ticket_group_idx` (`Ticket_Group` ASC) ,
-              INDEX `fk_in_group_ticket_idx` (`Ticket` ASC) ,
-              CONSTRAINT `fk_in_group_ticket_group`
-                FOREIGN KEY (`Ticket_Group` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket_group` (`TGroupId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION,
-              CONSTRAINT `fk_in_group_ticket`
-                FOREIGN KEY (`Ticket` )
-                REFERENCES `" . $cfg['db']['lib']['name'] ."`.`ticket` (`TId` )
-                ON DELETE NO ACTION
-                ON UPDATE NO ACTION)
-            ENGINE = InnoDB;
-
-
 
         ";
         $dbl->executeWithoutParams($sql);
@@ -278,4 +306,4 @@
         print_r($e);
     }
     
-        
\ No newline at end of file
+        
diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsql.sql b/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsql.sql
index 0f22a9741..c1e401e3d 100644
--- a/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsql.sql
+++ b/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsql.sql
@@ -11,7 +11,7 @@ USE `mydb` ;
 DROP TABLE IF EXISTS `mydb`.`ticket_category` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`ticket_category` (
-  `TCategoryId` INT NOT NULL AUTO_INCREMENT ,
+  `TCategoryId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
   `Name` VARCHAR(45) NOT NULL ,
   PRIMARY KEY (`TCategoryId`) ,
   UNIQUE INDEX `Name_UNIQUE` (`Name` ASC) )
@@ -24,9 +24,9 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`ticket_user` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`ticket_user` (
-  `TUserId` INT(10) NOT NULL AUTO_INCREMENT ,
+  `TUserId` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT ,
   `Permission` INT(3) NOT NULL DEFAULT 1 ,
-  `ExternId` INT(10) NOT NULL ,
+  `ExternId` INT(10) UNSIGNED NOT NULL ,
   PRIMARY KEY (`TUserId`) )
 ENGINE = InnoDB;
 
@@ -37,13 +37,14 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`ticket` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`ticket` (
-  `TId` INT NOT NULL AUTO_INCREMENT ,
+  `TId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
   `Timestamp` TIMESTAMP NOT NULL ,
   `Title` VARCHAR(120) NOT NULL ,
   `Status` INT NULL DEFAULT 0 ,
   `Queue` INT NULL DEFAULT 0 ,
-  `Ticket_Category` INT NOT NULL ,
-  `Author` INT NOT NULL ,
+  `Ticket_Category` INT UNSIGNED NOT NULL ,
+  `Author` INT UNSIGNED NOT NULL ,
+  `Priority` INT(3) NULL DEFAULT 0 ,
   PRIMARY KEY (`TId`) ,
   INDEX `fk_ticket_ticket_category_idx` (`Ticket_Category` ASC) ,
   INDEX `fk_ticket_ams_user_idx` (`Author` ASC) ,
@@ -66,8 +67,8 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`assigned` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`assigned` (
-  `Ticket` INT NOT NULL ,
-  `User` INT NOT NULL ,
+  `Ticket` INT UNSIGNED NOT NULL ,
+  `User` INT UNSIGNED NOT NULL ,
   INDEX `fk_assigned_ticket_idx` (`Ticket` ASC) ,
   PRIMARY KEY (`Ticket`, `User`) ,
   INDEX `fk_assigned_ams_user_idx` (`User` ASC) ,
@@ -90,7 +91,7 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`tag` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`tag` (
-  `TagId` INT NOT NULL AUTO_INCREMENT ,
+  `TagId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
   `Value` VARCHAR(60) NOT NULL ,
   PRIMARY KEY (`TagId`) ,
   UNIQUE INDEX `Value_UNIQUE` (`Value` ASC) )
@@ -103,8 +104,8 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`tagged` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`tagged` (
-  `Ticket` INT NOT NULL ,
-  `Tag` INT NOT NULL ,
+  `Ticket` INT UNSIGNED NOT NULL ,
+  `Tag` INT UNSIGNED NOT NULL ,
   PRIMARY KEY (`Ticket`, `Tag`) ,
   INDEX `fk_tagged_tag_idx` (`Tag` ASC) ,
   CONSTRAINT `fk_tagged_ticket`
@@ -126,7 +127,7 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`ticket_content` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`ticket_content` (
-  `TContentId` INT NOT NULL AUTO_INCREMENT ,
+  `TContentId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
   `Content` TEXT NULL ,
   PRIMARY KEY (`TContentId`) )
 ENGINE = InnoDB
@@ -139,10 +140,10 @@ DEFAULT CHARACTER SET = utf8;
 DROP TABLE IF EXISTS `mydb`.`ticket_reply` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`ticket_reply` (
-  `TReplyId` INT NOT NULL AUTO_INCREMENT ,
-  `Ticket` INT NOT NULL ,
-  `Author` INT NOT NULL ,
-  `Content` INT NOT NULL ,
+  `TReplyId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+  `Ticket` INT UNSIGNED NOT NULL ,
+  `Author` INT UNSIGNED NOT NULL ,
+  `Content` INT UNSIGNED NOT NULL ,
   `Timestamp` TIMESTAMP NULL ,
   PRIMARY KEY (`TReplyId`) ,
   INDEX `fk_ticket_reply_ticket_idx` (`Ticket` ASC) ,
@@ -172,7 +173,7 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`ticket_group` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`ticket_group` (
-  `TGroupId` INT NOT NULL AUTO_INCREMENT ,
+  `TGroupId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
   `Title` VARCHAR(80) NOT NULL ,
   PRIMARY KEY (`TGroupId`) ,
   UNIQUE INDEX `Title_UNIQUE` (`Title` ASC) )
@@ -185,8 +186,8 @@ ENGINE = InnoDB;
 DROP TABLE IF EXISTS `mydb`.`in_group` ;
 
 CREATE  TABLE IF NOT EXISTS `mydb`.`in_group` (
-  `Ticket_Group` INT NOT NULL ,
-  `Ticket` INT NOT NULL ,
+  `Ticket_Group` INT UNSIGNED NOT NULL ,
+  `Ticket` INT UNSIGNED NOT NULL ,
   PRIMARY KEY (`Ticket_Group`, `Ticket`) ,
   INDEX `fk_in_group_ticket_group_idx` (`Ticket_Group` ASC) ,
   INDEX `fk_in_group_ticket_idx` (`Ticket` ASC) ,
@@ -203,6 +204,33 @@ CREATE  TABLE IF NOT EXISTS `mydb`.`in_group` (
 ENGINE = InnoDB;
 
 
+-- -----------------------------------------------------
+-- Table `mydb`.`ticket_log`
+-- -----------------------------------------------------
+DROP TABLE IF EXISTS `mydb`.`ticket_log` ;
+
+CREATE  TABLE IF NOT EXISTS `mydb`.`ticket_log` (
+  `TLogId` INT UNSIGNED NOT NULL AUTO_INCREMENT ,
+  `Timestamp` TIMESTAMP NOT NULL ,
+  `Query` VARCHAR(255) NOT NULL ,
+  `Ticket` INT UNSIGNED NOT NULL ,
+  `Author` INT(10) UNSIGNED NULL ,
+  PRIMARY KEY (`TLogId`) ,
+  INDEX `fk_ticket_log_ticket1` (`Ticket` ASC) ,
+  INDEX `fk_ticket_log_ticket_user1` (`Author` ASC) ,
+  CONSTRAINT `fk_ticket_log_ticket1`
+    FOREIGN KEY (`Ticket` )
+    REFERENCES `mydb`.`ticket` (`TId` )
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_ticket_log_ticket_user1`
+    FOREIGN KEY (`Author` )
+    REFERENCES `mydb`.`ticket_user` (`TUserId` )
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+
 
 SET SQL_MODE=@OLD_SQL_MODE;
 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsystemmodel.mwb b/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsystemmodel.mwb
index 53f58f037..97d919679 100644
Binary files a/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsystemmodel.mwb and b/code/ryzom/tools/server/ryzom_ams/www/html/sql/ticketsystemmodel.mwb differ