help req with bapi

Hi ,

i CREATED A M GOODS ISSUE BY EXECUTING bapi IN SE 37 , IT GAVE A DOCUMENT NUMBER.wHEN I CHECKED WITH THE SAME DOCUMENT NUMBER IN mb03 , IT SAYS DOCUMENT DOESNOT EXIST AND CAN ANY TELL ME WHAT VALUE I HAVE TO PASS FOR TEST RUN.

cAN ANY ONE SEND ME THE CDE FOR MOVEMENT TYPE 201 USING BAPI FOR T CODE MB1A

Thanks