How To Fix USMD1020 - Data model &1: From-entity type &2 and relationship have the same name

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 020

• Message text: Data model &1: From-entity type &2 and relationship have the same name

What causes this issue?

Since the from-entity type is also used as a higher-level key field, the
name must be unique.

System Response

The data model cannot be saved.

How to fix this error?

Use different names for the from-entity type and the relationship.

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.