SAP Message 63391 - No documents available (yet) for input tax run & &

Diagnosis
Input tax treatment run &v2& in fiscal year &v1& exists, but no FIdocuments were posted with this identification. Check whether or notcorresponding batch input session &v3& has already been processed.

System Response
The system cannot find any documents to be reversed.

Procedure
You have to process batch input session &v3& first.