You are not authorized for authorization group & &

What causes this issue?

In your user master record, there is no entry for the authorization
group entered.

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

System Response

The system checks the following:
Class maintenance authorization: the system checks the authorization
entered in object C_KLAH_BKP and activity 02 in your user master
record.
Classification authorization: the system checks the authorization
entered in object C_KLAH_BKL and activity 03 in your user master
record.
Selection authorization: the system checks the authorization entered in
object C_KLAH_BSE and activity 16 in your user master record.
However, you are not authorizated for at least one of these objects.

How to fix this error?

Choose other authorization groups or consult your system manager about
extending your authorizations.

Error message extract from SAP system. Copyright SAP SE.