diff --git a/bureau/class/m_cron.php b/bureau/class/m_cron.php
index 301ffb41..17b0b972 100644
--- a/bureau/class/m_cron.php
+++ b/bureau/class/m_cron.php
@@ -128,7 +128,7 @@ class m_cron {
       $db->query("SELECT uid FROM cron WHERE id = $id;");
       if (! $db->next_record()) { return "false"; } // return false if pb
       if ( $db->f('uid') != $cuid ) {
-        $err->raise("cron","Identity problem");
+        $err->raise("cron",_("Identity problem"));
         return false;
       } 
     }
diff --git a/bureau/class/m_ftp.php b/bureau/class/m_ftp.php
index 0d59cc48..c34c57eb 100644
--- a/bureau/class/m_ftp.php
+++ b/bureau/class/m_ftp.php
@@ -102,7 +102,7 @@ class m_ftp {
       }
       return $r;
     } else {
-      $err->raise("ftp",1);
+      $err->raise("ftp",_("No ftp account found"));
       return false;
     }
   }
@@ -135,7 +135,7 @@ class m_ftp {
 		   );
 	return $r;
     } else {
-      $err->raise("ftp",2);
+      $err->raise("ftp",_("This ftp account does not exist"));
       return false;
     }
   }
@@ -188,7 +188,7 @@ class m_ftp {
     $db->query("SELECT count(*) AS cnt FROM ftpusers WHERE id='$id' and uid='$cuid';");
     $db->next_record();
     if (!$db->f("cnt")) {
-      $err->raise("ftp",2);
+      $err->raise("ftp",_("This ftp account does not exist"));
       return false;
     }
     $dir=$bro->convertabsolute($dir);
@@ -197,7 +197,7 @@ class m_ftp {
     }
     $r=$this->prefix_list();
     if (!in_array($prefixe,$r)) {
-      $err->raise("ftp",3);
+      $err->raise("ftp",_("The chosen prefix is not allowed"));
       return false;
     }
     $lo=$mem->user["login"];
@@ -206,7 +206,7 @@ class m_ftp {
     $db->query("SELECT COUNT(*) AS cnt FROM ftpusers WHERE id!='$id' AND name='$prefixe$login';");
     $db->next_record();
     if ($db->f("cnt")) {
-      $err->raise("ftp",4);
+      $err->raise("ftp",_("This ftp account already exists"));
       return false;
     }
     $absolute=getuserpath()."/$dir";
@@ -214,7 +214,7 @@ class m_ftp {
       system("/bin/mkdir -p $absolute");
     }
     if (!is_dir($absolute)) {
-      $err->raise("ftp",6);
+      $err->raise("ftp",_("The directory cannot be created."));
       return false;
     }
     if (trim($pass)) {
@@ -246,7 +246,7 @@ class m_ftp {
     $db->next_record();
     $name=$db->f("name");
     if (!$name) {
-      $err->raise("ftp",2);
+      $err->raise("ftp",_("This ftp account does not exist"));
       return false;
     }
     $db->query("DELETE FROM ftpusers WHERE id='$id'");
@@ -271,14 +271,14 @@ class m_ftp {
     }
     $r=$this->prefix_list();
     if (!in_array($prefixe,$r) || $prefixe=="") {
-      $err->raise("ftp",3);
+      $err->raise("ftp",_("The chosen prefix is not allowed"));
       return false;
     }
     if ($login) $login="_".$login;
     $db->query("SELECT count(*) AS cnt FROM ftpusers WHERE name='".$prefixe.$login."'");
     $db->next_record();
     if ($db->f("cnt")) {
-      $err->raise("ftp",4);
+      $err->raise("ftp",_("This ftp account already exists"));
       return false;
     }
     $db->query("SELECT login FROM membres WHERE uid='$cuid';");
@@ -290,7 +290,7 @@ class m_ftp {
       system("/bin/mkdir -p $absolute");
     }
     if (!is_dir($absolute)) {
-      $err->raise("ftp",6);
+      $err->raise("ftp",_("The directory cannot be created."));
       return false;
     }
 
@@ -306,7 +306,7 @@ class m_ftp {
       $db->query("INSERT INTO ftpusers (name,password, encrypted_password,homedir,uid) VALUES ('".$prefixe.$login."', '', '$encrypted_password', '$absolute', '$cuid')");
       return true;
     } else {
-      $err->raise("ftp",5);
+      $err->raise("ftp",_("Your ftp account quota is over. You cannot create more ftp accounts."));
       return false;
     }
   }
diff --git a/bureau/class/m_hta.php b/bureau/class/m_hta.php
index 9e20d57d..d026b1b4 100644
--- a/bureau/class/m_hta.php
+++ b/bureau/class/m_hta.php
@@ -67,7 +67,7 @@ class m_hta {
     $err->log("hta","createdir",$dir);
     $absolute=$bro->convertabsolute($dir,0);
     if (!$absolute) {
-      $err->raise("hta",8,$dir);
+      $err->raise("hta",printf(_("The folder '%s' does not exist"),$dir));
       return false;
     }
     if (!file_exists($absolute)) {
@@ -75,12 +75,12 @@ class m_hta {
     }
     if (!file_exists("$absolute/.htaccess")) {
       if (!@touch("$absolute/.htaccess")) {
-	$err->raise("hta",12);
+	$err->raise("hta",_("File already exist"));
 	return false;
       }
       $file = @fopen("$absolute/.htaccess","r+");
       if (!$file) {
-	$err->raise("hta",12);
+	$err->raise("hta",_("File already exist"));
         return false;
       }
       fseek($file,0);
@@ -90,7 +90,7 @@ class m_hta {
     }
     if (!file_exists("$absolute/.htpasswd")) {
       if (!touch("$absolute/.htpasswd")) {
-	$err->raise("hta",12);
+	$err->raise("hta",_("File already exist"));
         return false;
       }
       return true;
@@ -112,7 +112,7 @@ class m_hta {
 	  $absolute="$L_ALTERNC_LOC/html/".substr($mem->user["login"],0,1)."/".$mem->user["login"];
 	  exec("find $absolute -name .htpasswd|sort",$sortie);
 	  if(!count($sortie)){
-		  $err->raise("hta",4);
+		  $err->raise("hta",_("No protected folder"));
 		  return false;
 	  }
 	  $pattern="/^".preg_quote($L_ALTERNC_LOC,"/")."\/html\/.\/[^\/]*\/(.*)\/\.htpasswd/";
@@ -189,15 +189,15 @@ class m_hta {
     $err->log("hta","deldir",$dir);
     $dir=$bro->convertabsolute($dir,0);
     if (!$dir) {
-      $err->raise("hta",8,$dir);
+      $err->raise("hta",printf(("The folder '%s' does not exist"),$dir));
       return false;
     }
     if (!@unlink("$dir/.htaccess")) {
-      $err->raise("hta",5,$dir);
+      $err->raise("hta",printf(_("I cannot delete the file '%s'/.htaccess"),$dir));
       return false;
     }
     if (!@unlink("$dir/.htpasswd")) {
-      $err->raise("hta",6,$dir);
+      $err->raise("hta",printf(_("I cannot delete the file '%s'/.htpasswd"),$dir));
       return false;
     }
     return true;
@@ -217,7 +217,7 @@ class m_hta {
     $err->log("hta","add_user",$user."/".$dir);
     $absolute=$bro->convertabsolute($dir,0);
     if (!file_exists($absolute)) {
-      $err->raise("hta",8,$dir);
+      $err->raise("hta",printf(("The folder '%s' does not exist"),$dir));
       return false;
     }
     if (checkloginmail($user)){
@@ -230,7 +230,7 @@ class m_hta {
 
       $file = @fopen("$absolute/.htpasswd","a+");
       if (!$file) {
-	$err->raise("hta",12);
+	$err->raise("hta",_("File already exist"));
 	return false;
       }
       fseek($file,0);
@@ -238,7 +238,7 @@ class m_hta {
 	$s=fgets($file,1024);
 	$t=explode(":",$s);
 	if ($t[0]==$user) {
-	  $err->raise("hta",10,$user);
+	  $err->raise("hta",printf(_("The user '%s' already exist for this folder"),$user));
 	  return false;
 	}
       }
@@ -250,7 +250,7 @@ class m_hta {
       fclose($file);
       return true;
     } else {
-      $err->raise("hta",11);
+      $err->raise("hta",_("Please enter a valid username"));
       return false;
     }
   }
@@ -268,14 +268,14 @@ class m_hta {
     $err->log("hta","del_user",$lst."/".$dir);
     $absolute=$bro->convertabsolute($dir,0);
     if (!file_exists($absolute)) {
-      $err->raise("hta",8,$dir);
+      $err->raise("hta",printf(_("The folder '%s' does not exist"),$dir));
       return false;
     }
     touch("$absolute/.htpasswd.new");
     $file = fopen("$absolute/.htpasswd","r");
     $newf = fopen("$absolute/.htpasswd.new","a");
     if (!$file || !$newf) {
-      $err->raise("hta",12);
+      $err->raise("hta",_("File already exist"));
       return false;
     }
     reset($lst);
@@ -309,7 +309,7 @@ class m_hta {
     $err->log("hta","change_pass",$user."/".$dir);
     $absolute=$bro->convertabsolute($dir,0);
     if (!file_exists($absolute)) {
-      $err->raise("hta",8,$dir);
+      $err->raise("hta",printf(_"The folder '%s' does not exist"),$dir));
       return false;
     }
 
@@ -324,7 +324,7 @@ class m_hta {
     $file = fopen("$absolute/.htpasswd","r");
     $newf = fopen("$absolute/.htpasswd.new","a");
     if (!$file || !$newf) {
-      $err->raise("hta",12);
+      $err->raise("hta",_("File already exist"));
       return false;
     }
     while (!feof($file)) {
@@ -379,7 +379,7 @@ class m_hta {
     } // Reading config file
     fclose($file);
     if ($errr ||  in_array(0,$lignes)) {
-      $err->raise("hta",1);
+      $err->raise("hta",_("An incompatible .htaccess file exists in this folder."));
       return false;
     }
     return true;
diff --git a/bureau/class/m_quota.php b/bureau/class/m_quota.php
index a04755c6..4a479603 100644
--- a/bureau/class/m_quota.php
+++ b/bureau/class/m_quota.php
@@ -181,7 +181,7 @@ class m_quota {
       // Now we check that the value has been written properly : 
       exec("/usr/lib/alternc/quota_get $cuid &> /dev/null &",$a);
       if ($size!=$a[1]) {
-	$err->raise("quota",1);
+	$err->raise("quota",_("Error writing the quota entry !"));
 	return false;
       }
     }