How To Fix DBMAN770 - Table could not be locked for fast delete

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 770

• Message text: Table could not be locked for fast delete

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 DBMAN770 - Table could not be locked for fast delete ?

  The SAP error message DBMAN770 indicates that a table could not be locked for a fast delete operation. This error typically occurs during database operations when the system attempts to delete records from a table but is unable to obtain the necessary locks on that table. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Concurrent Access: Another transaction or user may be accessing the same table, preventing the lock from being acquired.
  Long-Running Transactions: If there are long-running transactions that hold locks on the table, it can lead to this error.
  Deadlocks: A deadlock situation may arise where two or more transactions are waiting for each other to release locks.
  Database Configuration: Certain database configurations or settings may affect locking behavior.
  Insufficient Lock Wait Time: The system may not be configured to wait long enough for the lock to be released.
  
  Solutions:
  
  Check for Active Sessions: Use transaction codes like SM12 (to view and delete lock entries) or SM66 (to monitor active processes) to identify any active sessions that may be holding locks on the table.
  Wait and Retry: If the error is due to temporary contention, waiting for a short period and then retrying the operation may resolve the issue.
  Optimize Long-Running Transactions: Review and optimize any long-running transactions that may be holding locks on the table.
  Increase Lock Wait Time: If applicable, consider increasing the lock wait time in the database configuration settings.
  Database Administration: Consult with your database administrator to check for any database-level issues or configurations that may be affecting locking behavior.
  Review Application Logic: Ensure that the application logic is not causing unnecessary locks or delays in releasing locks.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12, SM21 (system log), and ST22 (dump analysis) for troubleshooting.
  Database Logs: Check the database logs for any additional error messages or warnings that may provide more context about the locking issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to DBMAN770.
  Performance Monitoring: Use performance monitoring tools to analyze database performance and identify bottlenecks.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support or your database administrator for further assistance.