/IWFND/CM_MGW_RT100 - Property (external name) '&1' not found for entity '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 100

• Message text: Property (external 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.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT100 - Property (external name) '&1' not found for entity '&2' ?

  The SAP error message /IWFND/CM_MGW_RT100 Property (external name) '&1' not found for entity '&2' typically occurs in the context of SAP Gateway services, particularly when working with OData services. This error indicates that the specified property (external name) cannot be found for the given entity type in the OData model.
  Causes:
  
  Missing Property in the Entity: The property specified in the error message does not exist in the entity type defined in the OData model.
  Incorrect Mapping: There may be a mismatch between the property names in the backend data model and the OData service definition.
  Service Metadata Issues: The OData service metadata might not be correctly generated or updated, leading to discrepancies.
  Changes in Data Model: If there have been recent changes to the underlying data model (e.g., adding or renaming properties), the OData service may not reflect these changes.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain properties, leading to this error.
  
  Solutions:
  
  Check Entity Definition: Verify that the property specified in the error message exists in the entity type definition. You can do this by checking the data model in the backend (e.g., ABAP Dictionary).
  Update OData Service: If there have been changes to the data model, regenerate the OData service. You can do this using transaction code /IWFND/MAINT_SERVICE to maintain and activate the service.
  Check Metadata: Access the OData service metadata (usually at the URL http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata) and ensure that the property is listed under the correct entity type.
  Clear Cache: Sometimes, clearing the cache can resolve issues related to outdated metadata. You can do this using transaction code /IWFND/CACHE to clear the cache for the OData service.
  Authorization Check: Ensure that the user has the necessary authorizations to access the properties of the entity. Check the roles and authorizations assigned to the user.
  Debugging: If the issue persists, consider debugging the OData service to trace where the error occurs and gather more context about the request and response.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To maintain and activate OData services.
  /IWFND/CACHE: To clear the cache for OData services.
  
  
  OData Service Documentation: Review the documentation for the specific OData service you are working with to understand its structure and properties.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific error message or OData service you are using.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWFND/CM_MGW_RT100 Property (external name) '&1' not found for entity '&2'.