How To Fix /PRA/PN150 - A concurrent update occurred. Please try again.

SAP Error Message - Details

• Message type: E = Error

• Message class: /PRA/PN -

• Message number: 150

• Message text: A concurrent update occurred. Please try again.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PRA/PN150 - A concurrent update occurred. Please try again. ?

  The SAP error message /PRA/PN150 A concurrent update occurred. Please try again. typically indicates that there is a conflict due to multiple users or processes trying to update the same data simultaneously. This is a common issue in systems where concurrent processing is allowed, and it can occur in various scenarios, such as when multiple users are trying to edit the same record or when background jobs are running that affect the same data.
  Causes:
  
  Concurrent User Access: Multiple users are trying to update the same record at the same time.
  Background Jobs: A background job is running that is modifying the same data that a user is trying to update.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a record is locked by one user, another user trying to access it will receive this error.
  Transaction Errors: Errors in the transaction logic or programming can also lead to this message if they do not handle concurrent updates properly.
  
  Solutions:
  
  Retry the Operation: The simplest solution is to wait a moment and then try the operation again. This is often effective if the conflict was temporary.
  Check for Locks: Use transaction codes like SM12 to check for locks on the database. If you find a lock that is causing the issue, you may need to wait for it to be released or contact the user who holds the lock.
  Review Background Jobs: Check if there are any background jobs running that might be affecting the data you are trying to update. You can use transaction SM37 to monitor background jobs.
  Coordinate with Users: If multiple users are working on the same data, coordinate with them to avoid concurrent updates.
  Error Handling in Custom Code: If this error occurs in a custom program, ensure that proper error handling and locking mechanisms are implemented to manage concurrent updates effectively.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that might address this issue, especially if it is a known bug.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view locks), SM37 (to monitor background jobs), and SE80 (to check custom developments).
  SAP Documentation: Review SAP documentation related to data locking and concurrency control for a deeper understanding of how SAP manages concurrent updates.
  User Training: Ensure that users are trained on how to avoid conflicts when working with shared data.
  
  If the problem persists after trying these solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.