SAP Message VSB304 - Transfer &1: Transfer must have status "D" for this function

Diagnosis
The processing indicator cannot be set for transfer &V1& as this doesnot have status "D" (processing completed without errors).)

System Response
The function cannot be executed.

Procedure
The processing indicator for transfers can only be set if these havebeen completely and correctly processed.
The processing indicator can however also be set if the transfer is notactive. At present, a deactivation can only take place by the systemitself, for example, if the "Duplicate check" (check for duplicateexternal transfer numbers) has recognized a duplicate.
You can set the processing indicator for deactivated transfersregardless of the transfer status.