diff --git a/workflow/engine/classes/model/Process.php b/workflow/engine/classes/model/Process.php
index 24489e38f..63631d361 100755
--- a/workflow/engine/classes/model/Process.php
+++ b/workflow/engine/classes/model/Process.php
@@ -390,9 +390,10 @@ class Process extends BaseProcess {
 
   public function update($aData)
   {
-    if (is_array($aData['PRO_DYNAFORMS'])) {
+    if (isset($aData['PRO_DYNAFORMS']) && is_array($aData['PRO_DYNAFORMS'])) {
       $aData['PRO_DYNAFORMS'] = @serialize($aData['PRO_DYNAFORMS']);
     }
+    
     $con = Propel::getConnection( ProcessPeer::DATABASE_NAME );
     try {
       $con->begin();
diff --git a/workflow/engine/classes/model/Route.php b/workflow/engine/classes/model/Route.php
index 2da3a0409..d2d069aee 100755
--- a/workflow/engine/classes/model/Route.php
+++ b/workflow/engine/classes/model/Route.php
@@ -118,10 +118,16 @@ class Route extends BaseRoute {
       if (!is_null($oRoute))
       {
         // validating default values
-        $aData['ROU_TO_LAST_USER'] = $this->validateValue($aData['ROU_TO_LAST_USER'], array('TRUE', 'FALSE'), 'FALSE');
-        $aData['ROU_OPTIONAL']     = $this->validateValue($aData['ROU_OPTIONAL'], array('TRUE', 'FALSE'), 'FALSE');
-        $aData['ROU_SEND_EMAIL']   = $this->validateValue($aData['ROU_SEND_EMAIL'], array('TRUE', 'FALSE'), 'TRUE');
-
+        if (isset($aData['ROU_TO_LAST_USER'])) {
+          $aData['ROU_TO_LAST_USER'] = $this->validateValue($aData['ROU_TO_LAST_USER'], array('TRUE', 'FALSE'), 'FALSE');
+        }
+        if (isset($aData['ROU_OPTIONAL'])) {
+          $aData['ROU_OPTIONAL']     = $this->validateValue($aData['ROU_OPTIONAL'], array('TRUE', 'FALSE'), 'FALSE');
+        }
+        if (isset($aData['ROU_SEND_EMAIL'])) {
+          $aData['ROU_SEND_EMAIL']   = $this->validateValue($aData['ROU_SEND_EMAIL'], array('TRUE', 'FALSE'), 'TRUE');
+        }
+        
         $oRoute->fromArray($aData, BasePeer::TYPE_FIELDNAME);
         if ($oRoute->validate()) {
           $oConnection->begin();