How To Fix SPXN198 - Property is defined by external schema

SAP Error Message - Details

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 198

• Message text: Property is defined by external schema

What causes this issue?

The object you are editing is not modeled in the backend, but defined
either by an external schema/wsdl description or modeled in the ESR. See
also
<DS:DE.PRXGENAPPL>Generating Application</>

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

System Response

Properties of this object that are part of the external model may not be
changed in the backend.

How to fix this error?

Change the property in the external modeling tool and regenerate the
object.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.