1)Changes in porcpdet having inv_acct in itemser N then system should not give error just return empty string
2)Corrected executeQuery() statement earlier which was set wrong 


git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@186344 ce508802-f39f-4f6c-b175-0d175dae99d5