How To Fix /IWBEP/CM_PUBLISH023 - System alias '&1' already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_PUBLISH -

• Message number: 023

• Message text: System alias '&1' already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_PUBLISH023 - System alias '&1' already exists ?

  The SAP error message /IWBEP/CM_PUBLISH023 System alias '&1' already exists typically occurs in the context of SAP Gateway or OData services when there is an attempt to create a system alias that already exists in the system. This can happen during the configuration of OData services or when trying to publish a service that references a system alias.
  Cause:
  
  Duplicate System Alias: The most common cause of this error is that the system alias you are trying to create or register already exists in the system. This can happen if the alias was previously created and not properly deleted or if there is a naming conflict.
  Configuration Issues: There may be issues in the configuration settings where the system alias is being defined, leading to conflicts.
  Transport Issues: If you are transporting configuration from one system to another, the system alias may already exist in the target system.
  
  Solution:
  
  
  Check Existing System Aliases:
  
  Go to transaction code /IWFND/MAINT_SERVICE or /IWBEP/REG_SERVICE in the SAP GUI.
  Look for the system alias in the list of existing aliases. If it exists, you may need to use it instead of creating a new one.
  
  
  
  Delete or Modify Existing Alias:
  
  If the existing alias is not needed, you can delete it. Be cautious with this step, as it may affect other services that rely on that alias.
  If you need to keep the existing alias, consider modifying your configuration to use the existing alias instead of creating a new one.
  
  
  
  Check Transport Requests:
  
  If this issue arises after a transport, check the transport requests to ensure that the system alias was not inadvertently included or that it does not conflict with existing configurations.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to system aliases and OData service registration for any specific guidelines or best practices.
  
  
  
  System Alias Naming:
  
  Ensure that the naming convention for system aliases is unique and does not conflict with existing entries.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: For managing OData services.
  /IWBEP/REG_SERVICE: For registering OData services.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the error message regarding the existing system alias.