How To Fix /IWBEP/CM_PUBLISH021 - System alias &4 does not exist: event ID &1, object ID &2, subscriber &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_PUBLISH -

• Message number: 021

• Message text: System alias &4 does not exist: event ID &1, object ID &2, subscriber &3

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_PUBLISH021 - System alias &4 does not exist: event ID &1, object ID &2, subscriber &3 ?

  The SAP error message /IWBEP/CM_PUBLISH021 indicates that there is an issue with the system alias in the context of the SAP Gateway and OData services. This error typically occurs when the system alias specified in the event publishing process does not exist or is not correctly configured.
  Cause:
  
  Non-existent System Alias: The system alias specified in the error message does not exist in the SAP system.
  Incorrect Configuration: The system alias may be incorrectly configured or not properly set up in the SAP Gateway.
  Transport Issues: If the system alias was recently transported from another system, it may not have been set up correctly in the target system.
  Missing Authorization: The user may not have the necessary authorizations to access the specified system alias.
  
  Solution:
  
  
  Check System Alias Configuration:
  
  Go to transaction code SPRO and navigate to the relevant configuration for the system alias.
  Ensure that the system alias specified in the error message exists and is correctly configured.
  
  
  
  Create or Modify System Alias:
  
  If the system alias does not exist, you may need to create it. This can be done in transaction SICF or through the relevant configuration settings in the SAP Gateway.
  If it exists but is misconfigured, correct the settings.
  
  
  
  Check Event Subscription:
  
  Verify the event ID and object ID mentioned in the error message. Ensure that they are correctly set up and that the subscriber is valid.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the system alias. You can check this in transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  Transport Requests:
  
  If the system alias was transported, ensure that all necessary transport requests have been imported correctly and that the configuration is consistent across systems.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP you are using for any additional troubleshooting steps or known issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SPRO: Customizing Implementation Guide
  SICF: Maintain Service
  SU53: Authorization Check
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the /IWBEP/CM_PUBLISH021 error message.