Program ID &, object type & not processed

What causes this issue?

An object with program ID &v1& and object type &v2& was transferred to
the AFTER_IMP method.
However, program ID &v3& and object type &v4& were expected.

System Response

Object not processed.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.