diff --git a/routeSQL.php b/routeSQL.php
index cf662d2..c4b1934 100644
--- a/routeSQL.php
+++ b/routeSQL.php
@@ -13,6 +13,8 @@ error_reporting (E_ALL);
     Allow to do CRUD on datas with only one line in index.php */
 class routeSQL
 {
+  /** Activate the debug */
+  public $debug=0;
   /** Display the Actions column in list of entries */
   public $displayActions = true;
   /** Do a confirmation in javascript before deleting entry */
@@ -123,10 +125,14 @@ class routeSQL
           $dataflash .= "<div class='alert ";
           switch ($flash[0])
           {
-          case 4: $dataflash .= "alert-danger";$alert = _("Error!");break;
-          case 3: $dataflash .= "alert-warning";$alert = _("Warning!");break;
-          case 2: $dataflash .= "alert-info";$alert = _("Info :");break;
-          case 1: $dataflash .= "alert-success";$alert = _("Success : ");break;
+          case 4: $dataflash .= "alert-danger";
+                  $alert = dgettext("domframework","Error!");break;
+          case 3: $dataflash .= "alert-warning";
+                  $alert = dgettext("domframework","Warning!");break;
+          case 2: $dataflash .= "alert-info";
+                  $alert = dgettext("domframework","Info :");break;
+          case 1: $dataflash .= "alert-success";
+                  $alert = dgettext("domframework","Success : ");break;
           }
           $dataflash .= " alert-dismissable'>\n";
           $dataflash .= "<strong>$alert</strong> ".$flash[1]."\n";
@@ -230,7 +236,7 @@ class routeSQL
   }
 
   /** Display the search area */
-  public function searchArea ($nbentries, $page, $num, $search)
+  private function searchArea ($nbentries, $page, $num, $search)
   {
     $route = new route ();
     $content = "";
@@ -280,6 +286,7 @@ class routeSQL
     }
 	  /** Add HTML routes */
 	  $route = new route ();
+    $route->debug = $this->debug;;
     $route->allowSlashes=false;
 	  $route->get ($this->url_prefix."/", function ($chain) use ($route)
     {
@@ -292,18 +299,30 @@ class routeSQL
       function ($p1, $v1, $p2, $v2, $p3, $v3, $chain) use ($route)
 	  {
 	    // List all the objects of the table
-      if ($this->chained !== null &&
-          $this->chained->accessright ($chain) !== TRUE)
+      if ($this->chained !== null)
       {
-        if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+        if ($this->chained->accessright ($chain) !== TRUE)
+        {
+          if ($this->auth["email"] === "anonymous")
+            throw new Exception (dgettext("domframework",
+                                          "Anonymous not allowed"), 401);
+          throw new Exception (dgettext("domframework",
+                                        "Access forbidden"), 403);
+        }
+        $this->chained->connect();
+        // $chainedValues are the informations associated to the $chain
+        $chainedValues = $this->chained->keyexists ($chain);
+        if ($chainedValues === false)
+          throw new Exception (dgettext("domframework",
+                                        "Object not found"), 404);
       }
       if ($this->accessright () !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework",
+                                        "Anonymous not allowed"), 401);
+        throw new Exception (dgettext("domframework",
+                                      "Access forbidden"), 403);
       }
 
       if ($this->chained !== null &&
@@ -338,7 +357,7 @@ class routeSQL
       //echo "PAGE=$page\n";
       //echo "NUM=$num\n";
       //echo "SEARCH=$search\n";
-      //$route->debug=1;
+      //$route->debug=$this->debug;
 	    $this->connect();
       $csrf = new csrf ();
       $token = $csrf->createToken ();
@@ -541,27 +560,39 @@ echo $content;
                  function ($id, $token, $chain)
 	  {
 	    // Delete an existing object if the token is valid
-      if ($this->chained !== null &&
-          $this->chained->editright ($chain) !== TRUE)
+      if ($this->chained !== null)
       {
-        if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+        if ($this->chained->editright ($chain) !== TRUE)
+        {
+          if ($this->auth["email"] === "anonymous")
+            throw new Exception (dgettext("domframework",
+                                          "Anonymous not allowed"), 401);
+          throw new Exception (dgettext("domframework","Access forbidden"),
+                               403);
+        }
+        $this->chained->connect();
+        // $chainedValues are the informations associated to the $chain
+        $chainedValues = $this->chained->keyexists ($chain);
+        if ($chainedValues === false)
+          throw new Exception (dgettext("domframework",
+                                        "Object not found"), 404);
       }
       if ($this->accessright ($id) !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->editright ($id) !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->readonly ($id) === TRUE)
-        throw new Exception (_("Access forbidden"), 403);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
 
 	    $this->connect();
       $csrf = new csrf ();
@@ -589,27 +620,39 @@ echo $content;
 	  $route->get ($this->url_prefix."/add", function ($chain) 
 	  {
       // Add a new entry : form to be filled by the user
-      if ($this->chained !== null &&
-          $this->chained->editright ($chain) !== TRUE)
+      if ($this->chained !== null)
       {
-        if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+        if ($this->chained->editright ($chain) !== TRUE)
+        {
+          if ($this->auth["email"] === "anonymous")
+            throw new Exception (dgettext("domframework",
+                                          "Anonymous not allowed"), 401);
+          throw new Exception (dgettext("domframework","Access forbidden"),
+                               403);
+        }
+        $this->chained->connect();
+        // $chainedValues are the informations associated to the $chain
+        $chainedValues = $this->chained->keyexists ($chain);
+        if ($chainedValues === false)
+          throw new Exception (dgettext("domframework",
+                                        "Object not found"), 404);
       }
       if ($this->accessright () !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->editright () !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->readonly () === TRUE)
-        throw new Exception (_("Access forbidden"), 403);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
 
 	    $this->connect();
       $content = $this->showflash ();
@@ -675,8 +718,9 @@ echo $content;
         unset ($field);
       }
 
-      $field = new formfield ("submit", _("Save the datas"));
-      $field->defaults = _("Save the datas");
+      $field = new formfield ("submit", dgettext("domframework",
+                                                 "Save the datas"));
+      $field->defaults = dgettext("domframework","Save the datas");
       $field->type = "submit";
       $fields[] = $field;
       unset ($field);
@@ -688,27 +732,39 @@ echo $content;
 	  $route->post ($this->url_prefix."/add", function ($chain) use ($route) 
 	  {
       // Add a new entry : effective save of the datas
-      if ($this->chained !== null &&
-          $this->chained->editright ($chain) !== TRUE)
+      if ($this->chained !== null)
       {
-        if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+        if ($this->chained->editright ($chain) !== TRUE)
+        {
+          if ($this->auth["email"] === "anonymous")
+            throw new Exception (dgettext("domframework",
+                                          "Anonymous not allowed"), 401);
+          throw new Exception (dgettext("domframework","Access forbidden"),
+                               403);
+        }
+        $this->chained->connect();
+        // $chainedvalues are the informations associated to the $chain
+        $chainedvalues = $this->chained->keyexists ($chain);
+        if ($chainedvalues === false)
+          throw new exception (dgettext("domframework",
+                                        "Object not found"), 404);
       }
       if ($this->accessright () !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->editright () !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->readonly () === TRUE)
-        throw new Exception (_("Access forbidden"), 403);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
 
 	    $this->connect();
       $f = new form ();
@@ -720,7 +776,8 @@ echo $content;
         {
           $this->objectDB->insert ($values);
           $renderer = new renderer (); 
-          $renderer->flash ("SUCCESS", _("Creation done"));
+          $renderer->flash ("SUCCESS", dgettext("domframework", 
+                                                "Creation done"));
           $route->redirect ("/".
                             str_replace ("{chain}", $chain, $this->url_prefix),
                             "");
@@ -749,18 +806,29 @@ echo $content;
 	  $route->get ($this->url_prefix."/{id}", function ($id, $chain)
 	  {
       // List the details of one existing object
-      if ($this->chained !== null &&
-          $this->chained->accessright ($chain) !== TRUE)
+      if ($this->chained !== null)
       {
-        if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+        if ($this->chained->accessright ($chain) !== TRUE)
+        {
+          if ($this->auth["email"] === "anonymous")
+            throw new Exception (dgettext("domframework",
+                                          "Anonymous not allowed"), 401);
+          throw new Exception (dgettext("domframework","Access forbidden"),
+                               403);
+        }
+        $this->chained->connect();
+        // $chainedvalues are the informations associated to the $chain
+        $chainedvalues = $this->chained->keyexists ($chain);
+        if ($chainedvalues === false)
+          throw new exception (dgettext("domframework",
+                                        "Object not found"), 404);
       }
       if ($this->accessright ($id) !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->chained !== null &&
           $this->chained->editright ($chain) !== true)
@@ -842,8 +910,9 @@ echo $content;
 
       if ($readonly === false && $this->readwriteAllowed === true)
       {
-        $field = new formfield ("submit", _("Save the datas"));
-        $field->defaults = _("Save the datas");
+        $field = new formfield ("submit", dgettext("domframework",
+                                                   "Save the datas"));
+        $field->defaults = dgettext("domframework","Save the datas");
         $field->type = "submit";
         $fields[] = $field;
         unset ($field);
@@ -856,27 +925,39 @@ echo $content;
 	  $route->post ($this->url_prefix."/{id}", function ($id, $chain) use ($route)
 	  {
 	    // Save the details of one existing object
-      if ($this->chained !== null &&
-          $this->chained->editright ($chain) !== TRUE)
+      if ($this->chained !== null)
       {
-        if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+        if ($this->chained->editright ($chain) !== TRUE)
+        {
+          if ($this->auth["email"] === "anonymous")
+            throw new Exception (dgettext("domframework",
+                                          "Anonymous not allowed"), 401);
+          throw new Exception (dgettext("domframework","Access forbidden"),
+                               403);
+        }
+        $this->chained->connect();
+        // $chainedvalues are the informations associated to the $chain
+        $chainedvalues = $this->chained->keyexists ($chain);
+        if ($chainedvalues === false)
+          throw new exception (dgettext("domframework",
+                                        "Object not found"), 404);
       }
       if ($this->accessright ($id) !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->editright ($id) !== TRUE)
       {
         if ($this->auth["email"] === "anonymous")
-          throw new Exception (_("Anonymous not allowed"), 401);
-        throw new Exception (_("Access forbidden"), 403);
+          throw new Exception (dgettext("domframework","Anonymous not allowed"),
+                               401);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
       }
       if ($this->readonly ($id) === TRUE)
-        throw new Exception (_("Access forbidden"), 403);
+        throw new Exception (dgettext("domframework","Access forbidden"), 403);
 
 	    $this->connect();
       $oldvalues = $this->objectDB->read (array (array 
@@ -903,7 +984,7 @@ echo $content;
         {
           $this->objectDB->update ($id, $values);
           $renderer = new renderer (); 
-          $renderer->flash ("SUCCESS", _("Update done"));
+          $renderer->flash ("SUCCESS", dgettext("domframework","Update done"));
           $route->redirect ("/".
                             str_replace ("{chain}", $chain, $this->url_prefix),
                             "");
@@ -982,4 +1063,16 @@ echo $content;
     }
     return FALSE;
   }
+
+  /** Return the datas of the row if the $id exists in the primary key of the
+      table
+      Return FALSE in the other cases */
+  public function keyexists ($id)
+  {
+    $datas = $this->objectDB->read (array (array ($this->objectDB->primary,
+                                                  $id)));
+    if (count ($datas) > 0)
+      return $datas[0];
+    return FALSE;
+  }
 }