How To Fix TRM_ESOA022 - Exactly-once request cannot be locked: &1 (error code: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: TRM_ESOA - Message Class for Tax and Revenue Management Services

• Message number: 022

• Message text: Exactly-once request cannot be locked: &1 (error code: &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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message TRM_ESOA022 - Exactly-once request cannot be locked: &1 (error code: &2) ?

  The SAP error message TRM_ESOA022, which states "Exactly-once request cannot be locked: &1 (error code: &2)," typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the locking mechanism for exactly-once processing of messages. This error indicates that the system is unable to lock a request for processing, which is essential for ensuring that messages are processed exactly once without duplication.
  Causes:
  
  Concurrency Issues: Multiple processes may be trying to access the same request simultaneously, leading to a locking conflict.
  Database Locking: The database may have a lock on the request due to another transaction that is still in progress or has not been released.
  Configuration Issues: There may be misconfigurations in the integration scenario or the message processing settings.
  System Performance: High load on the system can lead to delays in acquiring locks, causing timeouts and failures.
  
  Solutions:
  
  Check for Concurrent Processes: Investigate if there are multiple instances trying to process the same request. Ensure that only one instance is processing the request at a time.
  Database Lock Monitoring: Use transaction codes like SM12 to check for locks on the database. If you find locks that are no longer needed, you can release them.
  Review Configuration: Ensure that the configuration for the integration scenario is correct. Check the settings for exactly-once processing and make sure they align with your business requirements.
  Increase Timeout Settings: If the system is under heavy load, consider increasing the timeout settings for locking mechanisms to allow more time for locks to be acquired.
  System Performance Tuning: Analyze system performance and optimize it if necessary. This may involve tuning database performance, increasing resources, or optimizing the integration flow.
  Error Handling: Implement error handling in your integration processes to manage such errors gracefully and possibly retry the operation after a delay.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to TRM_ESOA022 for any specific patches or updates that may address this issue.
  Documentation: Review SAP documentation on exactly-once processing and locking mechanisms in SAP PI/PO for a deeper understanding of how these processes work.
  Monitoring Tools: Utilize SAP monitoring tools to keep track of message processing and identify potential bottlenecks or issues in real-time.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support or your technical team for further investigation.