Than the issue is mostlikely related to the return err, where the refresh statement is before the close and message statement: WRONG:   {return array(                 array(‘actn’, ‘refreshData’), array(‘actn’,’closeWindow’),                                             array(‘msg’, ‘STRATOS’, ‘Info’, “Success Message is generated”),                                                );}   This can be fixed by putting the refresh after the message:   CORRECT:   … Continue reading Code:104 – Not Found: cannot find requested workbook or worksheet