How To Fix USMD2290 - Entities of type &1 cannot be deleted; choose 'Remove'

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD2 - Master Data: UI Modeling

• Message number: 290

• Message text: Entities of type &1 cannot be deleted; choose 'Remove'

What causes this issue?

As a result of the definition in your data model, it is not possible to
delete entities of type &V1&.

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?

If you want to remove entities of type &V1& from the hierarchy, choose
<ZK>Remove</>. This does not delete the entities, it only removes them
from your hierarchy.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.