I got one error in expense report when i click on submit as below.
Your expense report has encountered system errors and has not been successfully submitted for approval. Please provide your system administrator with the following information: Error Name: WFSQL_ARGS Error Number:3000 Error Message;3000: Invalid Value(s) passed for arguments. ROLE=TYPE=APEXP NAME=OIE_WITHDRAW_WARNING Error Stack: ECX_Purge_items(APEXP,343296, 07-MAR-2015) Wf_notification.Send),APEXP,OIE_WITHDRAW_WARNING). After the errors are resolved, access your expense report from the Active Expense Reports page and resubmit it.