Diagnosis
The transfer structure and the template of the InfoSourceare both error-free. Therefore, you cannot maintain transfer rules.

Procedure
Execute the Update Metadata function for your InfoSource &V1& (
V2).
Try to maintain the transfer rules for your InfoSource &v1& again.
If the problem cannot be solved, search in the SAP Support Portal forrelated SAP Notes using the message class and error number. Create aproblem message, if necessary.