How To Fix GLPL742 - Unknown error during database lock

SAP Error Message - Details

• Message type: E = Error

• Message class: GLPL - Message class planning FI-SL/GL

• Message number: 742

• Message text: Unknown error during database lock

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GLPL742 - Unknown error during database lock ?

  The SAP error message GLPL742, which indicates an "Unknown error during database lock," typically arises in the context of database operations where a lock is required to ensure data integrity. This error can occur in various scenarios, such as during posting transactions, data updates, or when multiple users are trying to access the same data simultaneously.
  Causes:
  
  Database Lock Conflicts: The most common cause is a conflict in database locks, where one transaction is trying to access data that is currently locked by another transaction.
  Long-Running Transactions: If a transaction takes too long to complete, it can hold locks longer than expected, leading to conflicts.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks can lead to deadlocks, causing this error.
  Database Issues: Problems with the underlying database system, such as corruption or misconfiguration, can also lead to locking issues.
  Network Issues: Intermittent network problems can disrupt communication between the application and the database, leading to lock errors.
  
  Solutions:
  
  Check for Lock Entries: Use transaction codes like SM12 to check for existing lock entries. If you find locks that are no longer needed, you can delete them (with caution).
  Analyze Long-Running Transactions: Use transaction codes like SM66 or SM50 to monitor active processes and identify any long-running transactions that may be holding locks.
  Review Application Logic: Ensure that your application logic is optimized to minimize the duration of database locks. This may involve breaking up large transactions into smaller ones.
  Database Administration: Work with your database administrator to check for any underlying database issues, such as performance tuning or configuration adjustments.
  Retry Logic: Implement retry logic in your application to handle transient locking issues gracefully.
  Check for Deadlocks: Use database monitoring tools to identify and resolve deadlocks if they are occurring frequently.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases notes that address known issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues.
  Performance Monitoring: Regularly monitor system performance and database locks to proactively address potential issues before they escalate.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance, providing them with detailed logs and error messages to facilitate troubleshooting.