Model &1 has more than 7 authorization-relev. entity types or attributes

What causes this issue?

For technical reasons, a maximum of seven fields per entity type can be
flagged for an authorization object as authorization-relevant. These are
the entity types and resolved attributes that exist as key fields and
non-key fields in the check table of the entity type. The edition and
the client field cannot be flagged as authorization-relevant.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.