No authorization to process change requests

What causes this issue?

You do not have authorization to process this change request type or the
UI configuration assigned to process this change request is incorrect

System Response

The application could not be started

How to fix this error?

Contact your System Administrator

Procedure for System Administrators

The user's authorization is not sufficient to process the selected
change request
In transaction <LS>PFCG</>, check the authorization object <LS>Type of
Change Request </>(<LS>USMD_CREQ</>) of the assigned MDG role and see if
it lists the required change request types
The assigned UI configuration &v1&/&v2& is not enabled to be used with
the logical action and business activity
Check the customizing activity <LS>Link Logical Actions with Business
Activity: Custom Definition</> and see if it lists the currently used
combination of UI configuration, logical action, and business activity
Check the customizing activity <LS>Link Log. Actions with UI Application
and Bus. Activity: Custom Definition</> and see if it contains the
correct navigation from the start UI to the correct target UI (both
identified by UI application and configuration)

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Both customizing activities can be found in the SAP Customizing
Implementation Guide using the following path: <LS>Master Data
Governance -> General Settings -> Process Modelling -> Business
Activities</>.

Error message extract from SAP system. Copyright SAP SE.