How To Fix /IWBEP/CM_V4_MED013 - Internal name '&1' already used

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 013

• Message text: Internal name '&1' already used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED013 - Internal name '&1' already used ?

  The SAP error message /IWBEP/CM_V4_MED013 indicates that there is an issue with the internal name of an entity or a property in your OData service. Specifically, it means that the internal name you are trying to use is already in use, which can happen when there are duplicate definitions in your service.
  Cause:
  
  Duplicate Internal Names: The most common cause of this error is that you have defined two or more entities or properties with the same internal name in your OData service.
  Model Conflicts: If you are importing or merging multiple models, there may be conflicts in the internal names.
  Changes in the Data Model: If you have made changes to the data model (like renaming or deleting entities) without properly updating the service, it can lead to this error.
  
  Solution:
  
  Check for Duplicates: Review your OData service definition to ensure that all internal names are unique. Look for entities, properties, and navigation properties that might have the same internal name.
  Rename Conflicting Entities/Properties: If you find duplicates, rename the conflicting entities or properties to ensure that each has a unique internal name.
  Regenerate the Service: After making changes, regenerate the OData service to ensure that the changes are reflected in the service metadata.
  Clear Cache: Sometimes, cached metadata can cause issues. Clear the cache of your OData service to ensure that the latest definitions are being used.
  Check for Model Imports: If you are importing models, ensure that there are no conflicting names in the imported models.
  
  Related Information:
  
  OData Service Definition: Familiarize yourself with how to define entities and properties in an OData service, including naming conventions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging Tools: Use debugging tools in SAP Gateway to trace the issue and identify where the duplicate names are being defined.
  Documentation: Refer to the official SAP documentation for OData services for best practices in naming and structuring your data model.
  
  By following these steps, you should be able to resolve the error and ensure that your OData service functions correctly.