Packaging type is still used. Cannot delete.

What causes this issue?

The selected <DS:DE.J_7LVPART>packaging type</> is still used in the
REA master data.

System Response

The packaging type cannot be deleted.

How to fix this error?

First delete the packaging type from the REA master data. To do this,
choose REA Information Systems -> Assignment -> Article to ->
<DS:TRAN.J7LIZAV2>Packaging (Recycling Partner Dependent)</> or
Packaging to -> <DS:TRAN.J7LIZVR>Recycling Partner</>.
You can also suppress the use of the packaging type by deactivating
it (WF or IF indicator).

Procedure for System Administrators

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.