How To Fix OPS_SE_HUM_XI_PROX022 - problem in exactly once request: UUID &1, &2

SAP Error Message - Details

• Message type: E = Error

• Message class: OPS_SE_HUM_XI_PROX - Message class for XI HU messages

• Message number: 022

• Message text: problem in exactly once request: UUID &1, &2

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 OPS_SE_HUM_XI_PROX022 - problem in exactly once request: UUID &1, &2 ?

  The SAP error message OPS_SE_HUM_XI_PROX022 typically relates to issues in the context of the SAP Process Integration (PI) or SAP Process Orchestration (PO) environment, particularly when dealing with the "exactly once" processing of messages. This error indicates that there is a problem with the processing of a message identified by a UUID (Universally Unique Identifier).
  Cause:
  
  Message Processing Failure: The error usually occurs when a message that was supposed to be processed exactly once has encountered an issue, such as a timeout, a failure in the backend system, or a problem with the message format.
  Duplicate Message Handling: The system may have detected a duplicate message or an inconsistency in the message processing state.
  Configuration Issues: There may be misconfigurations in the integration scenario, such as incorrect settings in the communication channel or the integration flow.
  Network Issues: Temporary network issues can also lead to message processing failures.
  
  Solution:
  
  Check Logs: Review the logs in the SAP PI/PO system to identify the specific cause of the error. Look for any related error messages that can provide more context.
  Message Monitoring: Use the message monitoring tools in SAP PI/PO to check the status of the message with the specified UUID. This can help you determine if the message was processed, failed, or is still in the queue.
  Reprocess the Message: If the message has failed, you may need to manually reprocess it. This can often be done through the message monitoring interface.
  Configuration Review: Verify the configuration of the integration scenario, including the sender and receiver communication channels, mapping, and routing rules. Ensure that they are set up correctly.
  Check Backend Systems: If the message is intended for a backend system, ensure that the backend is available and functioning correctly. Check for any errors in the backend system that may have caused the message to fail.
  Network Stability: Ensure that there are no network issues affecting the communication between the SAP PI/PO system and the backend systems.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for SAP PI/PO for guidance on message processing and error handling.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  If the problem persists after following these steps, it may be necessary to involve SAP support for further assistance.