How To Fix SPXN198 - Property is defined by external schema

SPXN198 - Overview

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message SPXN198 - Property is defined by external schema ?

  The SAP error message SPXN198, which states "Property is defined by external schema," typically occurs in the context of SAP's Business Workflow or when dealing with external data sources in SAP systems. This error indicates that a property or attribute you are trying to access or manipulate is defined in an external schema, which means it is not directly managed within the SAP system but rather linked to an external data source or service.
  
  Cause:
  
  External Schema Reference: The property you are trying to access is defined in an external schema, which could be a database, a web service, or another external system.
  
  Configuration Issues: There may be configuration issues in the way the external schema is integrated with your SAP system.
  Data Model Mismatch: The data model in your SAP system may not align with the external schema, leading to discrepancies in property definitions.
  Access Rights: You may not have the necessary permissions to