You have no authorization for &

What causes this issue?

You want to allocate an object to a class. However, you are not
authorized to process this object.

System Response

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

How to fix this error?

Choose another function or another object.
or
Contact your system administrator to get the authorization.

Error message extract from SAP system. Copyright SAP SE.