Diagnosis
You want to reverse a document or a return for a document, whichoriginates from payment lot &V1&. The number of the reversal document,or the returns document is to be entered in the corresponding paymentlot item &V2&. This is not possible as the item is currently beingprocessed by user &V3&.

System Response
Error message.

Procedure
You need to make the posting later when user &V3& has completed theirprocessing.