diff --git a/workflow/engine/methods/users/users_Ajax.php b/workflow/engine/methods/users/users_Ajax.php
old mode 100755
new mode 100644
index e8802a8e2..0ae4c9336
--- a/workflow/engine/methods/users/users_Ajax.php
+++ b/workflow/engine/methods/users/users_Ajax.php
@@ -435,9 +435,14 @@ try {
 
             $oRoles = new Roles();
             $rows = Array();
+            $uRole = Array();
             while ($oDataset->next()) {
                 $row = $oDataset->getRow();
-                $uRole = $oRoles->loadByCode($row['USR_ROLE']);
+                try {
+                    $uRole = $oRoles->loadByCode($row['USR_ROLE']);
+                } catch (exception $oError) {
+                    $uRole['ROL_NAME'] = G::loadTranslation( 'ID_DELETED' );
+                }
                 $row['USR_ROLE'] = isset($uRole['ROL_NAME']) ? ($uRole['ROL_NAME'] != '' ? $uRole['ROL_NAME'] : $uRole['USR_ROLE']) : $uRole['USR_ROLE'];
                 $row['DUE_DATE_OK'] = (date('Y-m-d') > date('Y-m-d', strtotime($row['USR_DUE_DATE']))) ? 0 : 1;
                 $row['LAST_LOGIN'] = isset($aLogin[$row['USR_UID']]) ? $aLogin[$row['USR_UID']] : '';