How To Fix CM_EHFND_FW_WFF126 - Cannot register PCO in event hub (class=&1, instance=&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_FW_WFF - Messages for Exception Obj. of EHS/PS&S Workflow Foundation

• Message number: 126

• Message text: Cannot register PCO in event hub (class=&1, instance=&2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_FW_WFF126 - Cannot register PCO in event hub (class=&1, instance=&2) ?

  The SAP error message CM_EHFND_FW_WFF126 indicates that there is an issue with registering a Process Control Object (PCO) in the event hub. This error typically arises in the context of SAP Event Management or SAP Process Orchestration, where the system is trying to register a PCO but encounters a problem.
  Possible Causes:
  
  Configuration Issues: The PCO might not be properly configured in the system. This could include missing or incorrect settings in the relevant configuration tables.
  Authorization Problems: The user or service account attempting to register the PCO may not have the necessary authorizations to perform this action.
  System Connectivity: There may be issues with the connectivity between the application server and the event hub, such as network problems or service outages.
  Data Integrity Issues: There could be inconsistencies or corruption in the data related to the PCO that is preventing it from being registered.
  Version Compatibility: The version of the software or components involved may not be compatible, leading to registration failures.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the PCO in the relevant transaction codes (e.g., SPRO for configuration settings) to ensure they are correct and complete.
  Review Authorizations: Ensure that the user or service account has the necessary authorizations to register PCOs. You can check this using transaction SU53 or SUIM.
  Network and Connectivity Checks: Verify that there are no network issues affecting the connection to the event hub. You can use tools like ping or traceroute to check connectivity.
  Data Validation: Check the data associated with the PCO for any inconsistencies or errors. You may need to run data validation or correction programs.
  Check Logs: Review the application logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the failure.
  Consult Documentation: Refer to SAP Notes or the official SAP documentation for any known issues or patches related to this error message.
  Update Software: If there are known compatibility issues, consider updating the relevant components to the latest version.
  
  Related Information:
  
  SAP Notes: Search for specific SAP Notes related to the error message CM_EHFND_FW_WFF126 in the SAP Support Portal. These notes may provide additional insights or fixes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Technical Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message CM_EHFND_FW_WFF126.