temp workaround for #1675

CRM/Case/XMLProcessor/Process.php

@@ -156,6 +156,11 @@ class CRM_Case_XMLProcessor_Process extends CRM_Case_XMLProcessor {
         $this->createActivity($activityTypeXML, $params);
       }
     }
+
+    // @todo dev/core#1675 - This is a temporary regression fix. Needs a
+    // proper fix.
+    $tx = new CRM_Core_Transaction();
+    $tx->commit();
   }
 
   /**