How To Fix WB2B427 - Referenced Trading Contract &1 is locked by another transaction

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 427

• Message text: Referenced Trading Contract &1 is locked by another transaction

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 WB2B427 - Referenced Trading Contract &1 is locked by another transaction ?

  The SAP error message WB2B427 indicates that a referenced trading contract is currently locked by another transaction. This typically occurs in scenarios where multiple users or processes are trying to access or modify the same trading contract simultaneously, leading to a lock situation to maintain data integrity.
  Cause:
  
  Concurrent Access: Another user or process is currently editing or processing the trading contract.
  Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  System Issues: Sometimes, system issues or bugs can lead to locks not being released properly.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the trading contract. You can check the lock entries and see if you can contact the user or process to release the lock.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other transaction is still in progress.
  Check for Long-running Transactions: Investigate if there are any long-running transactions that may be causing the lock. You can use transaction SM66 to monitor active processes in the system.
  System Restart: In some cases, a system restart may be necessary to clear locks that are not being released properly, but this should be done as a last resort and with proper planning.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses a locking mechanism to prevent data inconsistencies when multiple users access the same data.
  User Training: Ensure that users are trained on how to properly handle transactions to minimize the chances of locking issues.
  Performance Monitoring: Regularly monitor system performance and transaction durations to identify potential bottlenecks that could lead to locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.