How To Fix SLMP_RT200 - Unknown entity set (a.k.a. resource ) &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SLMP_RT - SL Protocol Runtime Message Class

• Message number: 200

• Message text: Unknown entity set (a.k.a. resource ) &1

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 SLMP_RT200 - Unknown entity set (a.k.a. resource ) &1 ?

  The SAP error message SLMP_RT200 "Unknown entity set (a.k.a. resource) &1" typically occurs in the context of SAP Gateway or OData services. This error indicates that the system is unable to find the specified entity set or resource that is being requested. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Entity Set Name: The entity set name specified in the OData request may be misspelled or incorrect.
  Service Not Registered: The OData service that contains the entity set may not be properly registered in the SAP Gateway.
  Service Not Activated: The OData service might be inactive or not properly activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the specified entity set.
  Model Changes: Changes in the underlying data model or service definition may not have been reflected in the service registration.
  
  Solutions:
  
  Check Entity Set Name: Verify that the entity set name in the request matches exactly with the name defined in the OData service.
  Register the Service: Use transaction code /IWFND/MAINT_SERVICE to check if the service is registered. If not, register it.
  Activate the Service: Ensure that the OData service is activated. You can do this in the same transaction (/IWFND/MAINT_SERVICE).
  Check Authorizations: Ensure that the user has the necessary authorizations to access the OData service and the specific entity set.
  Refresh Metadata: If there have been changes to the data model, refresh the metadata by reactivating the service or using the transaction /IWFND/MAINT_SERVICE to update the service.
  Check Service Implementation: If you are developing the service, ensure that the entity set is correctly implemented in the service definition.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  /IWFND/ERROR_LOG: To view error logs related to OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error.
  Documentation: Refer to the SAP Gateway documentation for more details on OData service development and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be helpful to consult with your SAP Basis or development team for further investigation.