PDO Layer Error while running SRM PO Approval app

Hi All,

While we are running SRM PO Approval app in Fiori launchpad, we came across the PDO layer error which is stopping the view to be loaded and terminated with console error as follows.

The following problem occurred: HTTP request failed400,Bad Request,{"error":{"code":"/IWBEP/CM_MGW_RT/022","message":{"lang":"en","value":"PDO Layer error."}

Can some one please help us if you have came across same kind of issue.

Regards,

Arun.