No authorization to make changes

What causes this issue?

As user &V1& you are not authorized to change requests or tasks of the
type specified.

System Response

The function terminates.

How to fix this error?

Project managers (authorizations S_CTS_PROJEC and S_CTS_PIECLS) can
change all request types within the Transport Organizer and the Change
and Transport System.
As a developer (authorizations S_CTS_DEVELO and S_CTS_PIECLS), you can
only edit tasks (corrections and repairs) or object lists.
You require authorization S_CTS_TR_ALL for client transports and
delivery transports.

Error message extract from SAP system. Copyright SAP SE.