How To Fix TK345 - Cannot delete &1: Referenced packages exist

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 345

• Message text: Cannot delete &1: Referenced packages exist

What causes this issue?

Namespace &V1& cannot be deleted, since packages still exist for this
namespace.

System Response

Namespace &V1& is not deleted.

How to fix this error?

The names of the relevant packages begin with &V1&. Before you can
delete the selected namespace entry, you must delete those packages
that are referenced.

Error message extract from SAP system. Copyright SAP SE.