How To Fix /IWBEP/CM_MGW_RT002 - Outdated metadata - Cache refresh triggered - Try again the request

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 002

• Message text: Outdated metadata - Cache refresh triggered - Try again the request

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT002 - Outdated metadata - Cache refresh triggered - Try again the request ?

  The SAP error message /IWBEP/CM_MGW_RT002 Outdated metadata - Cache refresh triggered - Try again the request typically occurs in the context of SAP Gateway services, particularly when there is a mismatch between the metadata cached in the system and the actual metadata of the service. This can happen due to various reasons, such as changes in the underlying data model, updates to the service, or changes in the OData service definitions.
  Cause:
  
  Outdated Metadata: The metadata cached in the SAP Gateway is outdated compared to the current state of the service or data model.
  Service Changes: Changes made to the OData service or its underlying data model (like adding or removing fields) without refreshing the cache.
  System Updates: Updates or changes in the backend system that affect the service's metadata.
  Cache Expiration: The cache may have expired, leading to the need for a refresh.
  
  Solution:
  
  
  Refresh the Cache:
  
  You can manually refresh the metadata cache. This can be done using transaction code /IWFND/MAINT_SERVICE in the SAP GUI. Here, you can select the service and choose to "Refresh" the metadata.
  Alternatively, you can use the transaction /IWBEP/REG_SERVICE to register and refresh the service.
  
  
  
  Clear the Cache:
  
  If refreshing does not resolve the issue, you may need to clear the cache. This can be done using transaction /IWFND/CACHE to clear the cache for the OData services.
  
  
  
  Check Service Registration:
  
  Ensure that the OData service is properly registered and activated in the SAP Gateway. You can check this in the same transaction /IWFND/MAINT_SERVICE.
  
  
  
  Re-Test the Request:
  
  After refreshing or clearing the cache, re-test the request that triggered the error to see if the issue is resolved.
  
  
  
  Check for Backend Changes:
  
  If the issue persists, check if there have been any recent changes in the backend system that could affect the service. This includes changes to data models, fields, or service definitions.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Use transaction /IWFND/ERROR_LOG to check for any additional error messages or logs that might provide more context about the issue.
  OData Service Documentation: Review the documentation for the specific OData service to understand any recent changes or updates that might affect its operation.
  
  By following these steps, you should be able to resolve the /IWBEP/CM_MGW_RT002 error and ensure that your OData service operates correctly.