How To Fix /IWBEP/CM_MGW_RT168 - Property item with internal name '&1' not found for entity '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 168

• Message text: Property item with internal name '&1' not found for entity '&2'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT168 - Property item with internal name '&1' not found for entity '&2' ?

  The SAP error message /IWBEP/CM_MGW_RT168 indicates that there is an issue with the OData service where a property item with a specified internal name cannot be found for a given entity. This typically occurs in the context of SAP Gateway and OData services when there is a mismatch between the expected data model and the actual data being processed.
  Causes:
  
  Missing Property in Data Model: The property specified in the error message does not exist in the entity type defined in the OData service metadata.
  Incorrect Mapping: There may be an issue with the mapping of the entity or property in the service implementation.
  Service Versioning: If the OData service has been updated or changed, the client application may be referencing an outdated version of the service.
  Data Source Issues: The underlying data source (like a database table or structure) may not have the expected fields or may have been modified.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain properties of the entity.
  
  Solutions:
  
  Check Metadata: Verify the OData service metadata (usually accessible via the service URL with $metadata appended) to ensure that the property exists in the entity definition.
  Update Service Implementation: If the property is missing, you may need to update the service implementation in the SAP Gateway to include the required property.
  Regenerate Service: If there have been changes to the underlying data model, consider regenerating the OData service to reflect those changes.
  Check Client Application: Ensure that the client application is using the correct version of the OData service and that it is not referencing outdated properties.
  Authorization Check: Verify that the user has the necessary authorizations to access the properties of the entity in question.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like /IWFND/MAINT_SERVICE to manage OData services and /IWBEP/REG_SERVICE to register or update services.
  Debugging: Use the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service and see the responses directly, which can help in identifying issues.
  Logs and Traces: Check the application logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  SAP Notes: Look for relevant SAP Notes that might address known issues or provide patches related to the error message.
  
  By following these steps, you should be able to diagnose and resolve the error message /IWBEP/CM_MGW_RT168.