How To Fix USMD1550 - Model &1, entity type &2: Source fields for texts must not be entered

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 550

• Message text: Model &1, entity type &2: Source fields for texts must not be entered

What causes this issue?

You can only specify the source field for short, medium, or long texts
for entity types of <DS:DE.USMD_USAGE_TYPE>storage and use type</> <LS>3
</> , whose data elements refer to a check table, which in turn does not
refer to a text table. If a text table is defined, the system
automatically recognizes it and assigns its fields to the short, medium,
and long texts.

System Response

The data model will not be saved or activated.

How to fix this error?

Delete your entries for the source fields of short, medium, and long
texts for entity type &V2&.

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.