SAP Message SMW_BDM638 - Structure of segment &1 is in a different transport request &2

Diagnosis
The structure &v3& of segment &v1& is in a transport request which isdifferent compared to that of BDoc type request. The BDoc type may notwork in the target system.

Procedure
The structure &v3& of segment &v1& has to be assigned to a packagewhose target group is same as that of BDoc type package. In addition,in the BDoc type transport request &v4&, the segment structure has tobe added via the option "Include objects" and the old transport requestof the structure should be deleted.
Contact system administrator to perform the above said changes.