Regarding express document message

Hai friends,i am uploading material master using BDC for MM01.while i am processing through foreground it is processing weell and finally showing me success messaage that 'Material is created'.But,immediatly i am receving a express dcoument message stating that 'UPDATE WAS TERMINATED'.Even though of message success message of material creation update was being terminated.Can anyone please help regarding this what would be the problem.Thanks in advance.

Regards.