You do not have authorization for &2 for function &1

What causes this issue?

You have chosen a function or functionality for which you do not have
the appropriate authorization.

System Response

You cannot execute the function or functionality.

How to fix this error?

To access the required function or functionality, you require the
following configuration for your authorization:
(authorization object/transaction/activity/partner type/partner number)
&V3&
Please contact your system administration to obtain the authorization.

Error message extract from SAP system. Copyright SAP SE.