How To Fix USMD1586 - Model &1, entity type &2: Internal key assignment; enter a reuse area

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 586

• Message text: Model &1, entity type &2: Internal key assignment; enter a reuse area

What causes this issue?

A <DS:DE.USMD_PP_DOMAIN>reuse active area</> must be specified for
entity types with internal <DS:DE.USMD_KEY_HANDLING>key assignments</>.

System Response

You cannot activate the data model.

How to fix this error?

Change the type of key assignment, or enter a reuse active area for data
model &V1& or 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.