How To Fix UD621 - The entity type is covering up an existing object

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 621

• Message text: The entity type is covering up an existing object

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

When a new entity type is inserted, it is placed over an existing
entity type or specialization category. The object that it covers is,
therefore, not visible after the new entity type is saved.
After the entity type has been inserted, the objects can be separated
again. To do so, move the visible entity type using the left mouse
button.

Error message extract from SAP system. Copyright SAP SE.