Message SAP WS060 - Document & cannot be processed with this transaction

Diagnosis
V2 = vendor billing doc., settlement request, remuneration list etc.
Document &V1& is a &V2&. Only documents of category &V3& can beprocessed with the transaction you selected.

System Response
The system cannot execute the function.

Procedure
Please select another document or select the correct transaction forprocessing documents with category '&V2&'.