Diagnosis
No vendor is entered for the ILN output sender in the table'PRICAT_001: ILN assignment to vendor and purchasing group'. The systemthen uses the ILN to determine a vendor number from the vendor masterdata. If this is not clear, no vendor can be assigned.

System Response
The IDoc is not processed further.

Procedure
Assign an ILN to the vendor or release a vendor number for the ILN inthe table PRICAT_001.
Release vendor