Document type & was deleted; recreate

What causes this issue?

The document type of the document to be reversed was deleted.

System Response

The system cannot determine a document number for the reverse
document. The reversal cannot be posted.

How to fix this error?

Create the above-mentioned document type again.
IF &DEVICE& = 'SCREEN'
<DS:TRAN.OBA7>Proceed</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.