No program assigned to subobject

What causes this issue?

No program is assigned to the sub-object with the following parameters:
Object &V1&
Type &V2&
Sub-object &V3&

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?

Maintain the assignment with view maintenance <DS:TRAN.SM30>SM30</> for
view OBJSUBREP.

Error message extract from SAP system. Copyright SAP SE.