Suppress Warning [W] message during BDC process [as batch SM36]

Hi expert,

i had problem where Warning message is force my BDC program to stop during SM36 batch job submit.

if program trigger in ad-hoc process [call program directly using tcode] , program works fine.

let me share briefly about My program, i intend to create VA41 transaction which have contract start date less than today's date. Warning message V5 001 will appear [not as pop-up window] which force my BDC to stop during SM36.

please kindly help.