Document type & cannot be printed; maintain output control

What causes this issue?

The system can not print document type &V1&, because the output routine
for the document is not correctly maintained.

System Response

The document was not printed.

How to fix this error?

Check maintenance of the output routine for document type &V1&. Use F4
Help to ensure that it is correctly written.

Error message extract from SAP system. Copyright SAP SE.