How To Fix PG550 - Time events for personnel number &1 already locked by &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PG - Error Messages for Master Data Programs

• Message number: 550

• Message text: Time events for personnel number &1 already locked by &2

What causes this issue?

The time events for personnel number &V1& cannot be saved for
one of the following reasons:
The time events are being processed by another user.
Time evaluation is running for personnel number &V1&.
The time events uploaded from the time recording system
to the SAP System are being processed.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PG550 - Time events for personnel number &1 already locked by &2 ?

  The SAP error message PG550 indicates that there is a lock on time events for a specific personnel number, which is preventing the system from processing further actions related to that personnel number. The message typically includes the personnel number (&1) and the user or process that has locked it (&2).
  Cause:
  The error occurs when:
  
  A user or process is currently editing or processing time events for the specified personnel number.
  There may be a background job or another transaction that is holding a lock on the time events.
  The lock could be due to a previous transaction that did not complete successfully, leaving the data in a locked state.
  
  Solution:
  To resolve the PG550 error, you can take the following steps:
  
  
  Identify the Locking User/Process:
  
  Use transaction code SM12 to view the lock entries. You can filter by the personnel number to find out which user or process is holding the lock.
  Check the user ID (&2) mentioned in the error message to see if it is a specific user or a background job.
  
  
  
  Release the Lock:
  
  If the lock is held by a user who is no longer working on the transaction, you can ask them to complete or cancel their transaction.
  If it is a background job, you may need to wait for it to complete or, if necessary, terminate the job using transaction SM37.
  
  
  
  Check for Incomplete Transactions:
  
  If the lock is due to an incomplete transaction, you may need to investigate and resolve any issues that caused the transaction to hang.
  
  
  
  Retry the Action:
  
  Once the lock is released, you can retry the action that triggered the error.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM37: To monitor and manage background jobs.
  
  
  
  Lock Management: Understanding how locks work in SAP can help prevent this issue in the future. Locks are used to ensure data integrity during concurrent processing.
  
  
  User Communication: If multiple users are working on the same personnel records, it may be beneficial to establish communication protocols to avoid conflicts.
  
  
  System Performance: Regularly monitor system performance and job processing to minimize the occurrence of locks due to long-running transactions.
  
  
  By following these steps, you should be able to resolve the PG550 error and continue with your SAP processes.