How To Fix /IWFND/CM_DESIGNTIME164 - Structure(s) &1 already exist(s)

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 164

• Message text: Structure(s) &1 already exist(s)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_DESIGNTIME164 - Structure(s) &1 already exist(s) ?

  The SAP error message /IWFND/CM_DESIGNTIME164 Structure(s) &1 already exist(s) typically occurs in the context of SAP Gateway and OData service development. This error indicates that there is an attempt to create a structure that already exists in the system, which can happen during the activation or registration of an OData service or when trying to redefine a structure in the Data Model.
  Cause:
  
  Duplicate Structure Definition: The structure you are trying to create or activate already exists in the system. This can happen if the same structure is defined in multiple places or if there was a previous attempt to create it that was not properly cleaned up.
  Transport Issues: If you are working in a transport environment, the structure might have been transported from another system, leading to conflicts.
  Development Objects: If you are working with multiple development objects or projects, there might be overlapping definitions.
  
  Solution:
  
  
  Check Existing Structures: 
  
  Use transaction code SE11 (Data Dictionary) to check if the structure already exists. Search for the structure name indicated in the error message.
  If it exists, you may need to modify your code to use the existing structure instead of trying to create a new one.
  
  
  
  Delete or Rename: 
  
  If the existing structure is not needed, you can delete it (if permissible) or rename it to avoid conflicts.
  Ensure that you have the necessary authorizations to make these changes.
  
  
  
  Clear Cache: 
  
  Sometimes, clearing the cache can resolve issues related to stale data. Use transaction code /IWFND/CACHE_CLEANUP to clear the cache for the OData services.
  
  
  
  Check Transport Requests: 
  
  If you suspect that the issue is related to transport requests, check the transport logs and ensure that there are no conflicts with the objects being transported.
  
  
  
  Re-activate the Service: 
  
  After resolving the structure conflict, try to re-activate the OData service using transaction code /IWFND/MAINT_SERVICE.
  
  
  
  Consult Documentation: 
  
  Review the SAP documentation or notes related to the specific version of SAP you are using, as there may be specific guidelines or patches available.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11: Data Dictionary
  SE80: Object Navigator
  /IWFND/MAINT_SERVICE: OData Service Maintenance
  /IWFND/CACHE_CLEANUP: Cache Cleanup for OData Services
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number or related keywords in the SAP Support Portal.
  
  
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other developers.
  
  
  By following these steps, you should be able to resolve the error and continue with your development work in SAP Gateway.