How To Fix /IWBEP/CM_MGW_RT169 - Property item with internal name '&1' not found for complex type '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 169

• Message text: Property item with internal name '&1' not found for complex type '&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_RT169 - Property item with internal name '&1' not found for complex type '&2' ?

  The SAP error message /IWBEP/CM_MGW_RT169 indicates that there is an issue with a property item that is expected to be found in a complex type but is not available. This error 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.
  Cause:
  
  Missing Property: The property item with the internal name specified in the error message is not defined in the complex type specified.
  Model Mismatch: There may be a mismatch between the OData service metadata and the actual implementation of the service. This can happen if the service was changed but the metadata was not updated.
  Incorrect Mapping: The mapping between the data source and the OData model may be incorrect, leading to the system not being able to find the specified property.
  Service Activation Issues: The OData service may not be properly activated or may have been deactivated, leading to inconsistencies.
  
  Solution:
  
  Check Metadata: Verify the metadata of the OData service to ensure that the complex type and the property are correctly defined. You can access the metadata by appending $metadata to the service URL.
  Update Service: If there have been changes to the underlying data model, ensure that the OData service is updated and reactivated. You can do this in the SAP Gateway Service Builder (transaction code SEGW).
  Check Data Model: Review the data model in the service definition to ensure that all properties are correctly defined and mapped.
  Debugging: Use the SAP Gateway Client (transaction code /IWFND/GW_CLIENT) to test the service and see if you can reproduce the error. This can help identify where the issue lies.
  Check for Transport Issues: If the service was transported from one system to another, ensure that all necessary objects were included in the transport request.
  Consult Logs: Check the application logs (transaction code SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Documentation: Review the official SAP documentation for OData services and SAP Gateway for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWBEP/CM_MGW_RT169 error message.