How To Fix SPRX340 - namespace &1 is not assigned to MDR-> creation as MDR proxy not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 340

• Message text: namespace &1 is not assigned to MDR-> creation as MDR proxy not possible

What causes this issue?

You tried to create a metadata repository (MDR) proxy in namespace&V1&.

System Response

Mentioned namespace is not assigned to generating application MDR.
See also <DS><DS:TX.SXI_PROXY_MDR_MIGRATION>Migration ESR -> MDR</></>

How to fix this error?

Maintain generation application for namespace via transaction <DS>
<DS:TRAS.SPXNGENAPPL>SPXNGENAPPL</></>

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.