How To Fix TO124 - Object &1 &2 cannot be assigned to package &3

SAP Error Message - Details

• Message type: E = Error

• Message class: TO - Transport Organizer and Tools

• Message number: 124

• Message text: Object &1 &2 cannot be assigned to package &3

What causes this issue?

The object &V1& &V2& belongs to namespace &V4&. The object cannot be
assigned to development class &V3&, since it does not belong to the
same namespace.

System Response

The function is terminated.

How to fix this error?

Assign the object to a package whose name begins with &V4&.
If you want to create the object as a test object, you can also assign
it to a local package (begins with $) or a test package (begins with
T).

Error message extract from SAP system. Copyright SAP SE.