diff --git a/workflow/engine/classes/class.processMap.php b/workflow/engine/classes/class.processMap.php
index d8558d9c2..9cc1bf0d9 100644
--- a/workflow/engine/classes/class.processMap.php
+++ b/workflow/engine/classes/class.processMap.php
@@ -5567,7 +5567,7 @@ class processMap {
     $_DBArray ['allInputs'] = $aAllInputs;
     $_DBArray ['allOutputs'] = $aAllOutputs;
     $_SESSION ['_DBArray'] = $_DBArray;
-    return($_SESSION['_DBArray']);
+    return $_SESSION['_DBArray']['usersGroups'];
   }
 }
 
diff --git a/workflow/engine/classes/class.xpdl.php b/workflow/engine/classes/class.xpdl.php
index 04fe6f200..375ba0a97 100644
--- a/workflow/engine/classes/class.xpdl.php
+++ b/workflow/engine/classes/class.xpdl.php
@@ -74,7 +74,8 @@ class Xpdl extends processes
   * @return boolean
   */
   function updateProcessFromDataXpdl ($oData, $tasks ) {
-    $this->updateProcessRow ($oData->process );
+    if(is_array($oData->process))
+      $this->updateProcessRow ($oData->process );
     $this->removeProcessRows ($oData->process['PRO_UID'] );
     $uid  = $this->createProcessRow($oData->process);
     $this->createTaskRows($oData->tasks);