SAP Message B1252 - Function module not allowed: &

Diagnosis
The function module &v1& and the application object type &v2& whichwere determined are not valid for this IDoc.

Procedure
Please check that the process code in the inboundpartner profile is correct.
If this is the case, you should check the ALE inbound methodsALE inbound methods for the process code and seewhether the specified function module and application object type arecorrect.
If this is also the case, then the function module and the applicationobject type are not permitted for the logical message type, messagevariant, message function and basis type that are contained in the IDoccontrol record. You should check whether the correct values have beenassigned to these fields in the control record. If they do have thecorrect values, then the assignment to the functionmodule and the application object type needs to be maintained.

330401Process code does not exist f. BBPCO01, BBPIV01
339215BBPCF:updating the goods receipt in the Backend