How To Fix /FLDQ/AD_TECH_ERRORS823 - Unable to lock /fldq/ad_pupdate table to replace contents.

SAP Error Message - Details

• Message type: E = Error

• Message class: /FLDQ/AD_TECH_ERRORS -

• Message number: 823

• Message text: Unable to lock /fldq/ad_pupdate table to replace contents.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /FLDQ/AD_TECH_ERRORS823 - Unable to lock /fldq/ad_pupdate table to replace contents. ?

  The SAP error message /FLDQ/AD_TECH_ERRORS823 Unable to lock /fldq/ad_pupdate table to replace contents typically indicates that there is an issue with locking the specified table, which is necessary for performing updates or modifications. This can occur due to various reasons, such as concurrent access by multiple processes, a long-running transaction, or a deadlock situation.
  Causes:
  
  Concurrent Access: Another process or user may be accessing the /FLDQ/AD_PUPDATE table, preventing your transaction from acquiring the necessary lock.
  Long-Running Transactions: A transaction that is taking too long to complete may hold the lock longer than expected, causing subsequent transactions to fail.
  Deadlocks: Two or more processes may be waiting for each other to release locks, resulting in a deadlock situation.
  Database Issues: There may be underlying database issues that are causing locking problems.
  
  Solutions:
  
  Check for Active Sessions: Use transaction codes like SM12 to check for active locks on the /FLDQ/AD_PUPDATE table. If you find any locks that are no longer needed, you can release them.
  Review 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.
  Retry the Operation: If the issue is temporary, simply retrying the operation after a short wait may resolve the problem.
  Database Administration: If the issue persists, consult your database administrator to check for any underlying database issues or to perform maintenance tasks that may help resolve locking issues.
  Increase Timeout Settings: If applicable, consider increasing the timeout settings for locks in your SAP system to allow longer wait times for acquiring locks.
  Check for Deadlocks: If you suspect a deadlock, you may need to analyze the situation further to identify the processes involved and resolve the deadlock.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the /FLDQ/AD_PUPDATE table or the specific error message.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Performance Monitoring: Regularly monitor system performance and locking behavior to proactively identify and resolve potential issues before they impact users.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.