diff --git a/workflow/engine/controllers/pmTablesProxy.php b/workflow/engine/controllers/pmTablesProxy.php
index cf7851e50..988d4b04a 100755
--- a/workflow/engine/controllers/pmTablesProxy.php
+++ b/workflow/engine/controllers/pmTablesProxy.php
@@ -1025,6 +1025,7 @@ class pmTablesProxy extends HttpProxyController
                             }
                         } else { /* from designer tab */
                             if($isPmTable){
+                                $validationType = '';
                                 throw new Exception( G::loadTranslation( 'ID_NO_REPORT_TABLE' ) );    
                             }
                             if ($tableExists !== false && !$fromConfirm) {