diff --git a/vas/rest/ws/vitis/Users.class.inc b/vas/rest/ws/vitis/Users.class.inc
index fa87387f9567db5b22eafaa6146cdc4c19125462..2c916872b2207536d447ae397a0e60e4f728cc43 100755
--- a/vas/rest/ws/vitis/Users.class.inc
+++ b/vas/rest/ws/vitis/Users.class.inc
@@ -676,7 +676,7 @@ class Users extends Vitis {
         if ($this->oConnection->oError == null && in_array("vitis_admin", $this->oConnection->aPrivileges)) {
             $aReturn = $this->genericDelete($this->aProperties['schema_framework'], 'v_user', 'user_id');
         } else {
-            $oError = new Error(1, "Invalid token");
+            $oError = new VitisError(1, "Invalid token");
             $aXmlRacineAttribute['status'] = 0;
             $aReturn['sMessage'] = $oError->asDocument('', 'vitis', $this->aValues['sEncoding'], True, $aXmlRacineAttribute, $this->aValues['sSourceEncoding'], $this->aValues['output']);
         }