No transaction assigned to request category &1 for activity &2

What causes this issue?

A transaction has not been assigned to request type &V1& regarding
activity &V2&.

System Response

You cannot automatically branch to the corresponding transaction.

How to fix this error?

Inform your system administrator and ask him/her to include a
transaction in table "PSOTY" for request category &V1& and activity
&V2&.

Error message extract from SAP system. Copyright SAP SE.