How To Fix /IWBEP/CM_MGW_RT110 - Data object name: '&1' already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 110

• Message text: Data object name: '&1' already exists

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_RT110 - Data object name: '&1' already exists ?

  The SAP error message /IWBEP/CM_MGW_RT110 Data object name: '&1' already exists typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an attempt to create or register a data object (like an entity type or entity set) that already exists in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Duplicate Definition: The most common cause is that the data object (entity type, entity set, etc.) is already defined in the service or model. This can happen if you have multiple definitions with the same name in your service or if you are trying to register the same object multiple times.
  Transport Issues: If you are transporting objects between systems (e.g., from development to quality assurance), there might be conflicts if the same object is already present in the target system.
  Model Changes: If changes were made to the data model without proper adjustments or clean-up, it could lead to conflicts.
  
  Solution:
  
  
  Check Existing Definitions: 
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and check if the data object with the name specified in the error message already exists. If it does, you may need to modify or delete the existing object.
  
  
  
  Rename the Object: If you are trying to create a new object, consider renaming it to avoid conflicts with existing objects.
  
  
  Clear Cache: Sometimes, clearing the cache can help resolve issues related to stale definitions. You can do this by using transaction code /IWFND/CACHE_CLEANUP.
  
  
  Check Transport Requests: If the issue is related to transport, ensure that the transport requests are correctly managed and that there are no conflicts in the target system.
  
  
  Rebuild the Service: If the issue persists, you might want to regenerate the service or rebuild the model to ensure that all definitions are correctly aligned.
  
  
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant methods to trace where the error is being triggered.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. You can search for the error message or related keywords in the SAP Support Portal.
  Documentation: Review the SAP Gateway documentation for best practices on defining and managing OData services and data models.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.