SAP Message R7154 - InfoObject &1 still used in &2 &3

System Response
If the message is a warning, object &V2& &V3& is also deleted whenInfoObject &V1& is deleted.
If the message is an error message, you must first remove InfoObjectV1 from object v2 v3 (or delete object v2 v3 too).

Procedure
First, remove InfoObject &V1& from object &V2& &V3& (or delete objectV2 v3).