SAP Message BRF414 - Deletion of object &1 is not possible; object is still being used

Diagnosis You tried to delete object &v1&, but object &v1& is still being used inother objects of the Business Rule Framework (BRF). System Response You cannot delete. Procedure Call object &v1&. Call up the where-used list. To do so, choose @3A@ with the quick infotext Where-Used List. Delete the corresponding usages. Delete object &v1&.