How To Fix DB793 - & of job & failed. Incorrect lock operation

SAP Error Message - Details

• Message type: E = Error

• Message class: DB - Messages for logical databases and background processing

• Message number: 793

• Message text: & of job & failed. Incorrect lock operation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB793 - & of job & failed. Incorrect lock operation ?

  The SAP error message DB793 typically indicates that there is an issue with a database lock operation. This error can occur in various scenarios, often related to database transactions or job processing. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  
  Lock Conflicts: The error may arise when a job or transaction attempts to acquire a lock on a database object that is already locked by another transaction. This can happen if multiple processes are trying to access the same data simultaneously.
  
  
  Database Issues: There may be underlying issues with the database itself, such as corruption, misconfiguration, or resource limitations.
  
  
  Long-Running Transactions: If a transaction takes too long to complete, it can hold locks for an extended period, leading to conflicts with other transactions.
  
  
  Job Scheduling Issues: If jobs are scheduled to run concurrently and they access the same resources, it can lead to lock contention.
  
  
  Solution:
  
  
  Analyze Lock Situation:
  
  Use transaction codes like SM12 (to view and manage locks) and SM21 (to check the system log) to identify which locks are currently held and by which users or processes.
  Check for long-running transactions using SM66 (global work process overview) or SM50 (local work process overview).
  
  
  
  Release Locks:
  
  If you identify unnecessary locks, you can manually release them using SM12. However, be cautious when doing this, as it may lead to data inconsistencies if the transaction holding the lock is still active.
  
  
  
  Review Job Scheduling:
  
  Check the job scheduling in SM37 to see if jobs are overlapping in a way that causes lock contention. Adjust the scheduling to avoid conflicts.
  
  
  
  Database Maintenance:
  
  Perform regular database maintenance tasks, such as updating statistics, checking for database integrity, and ensuring that the database is properly configured.
  
  
  
  Increase Resources:
  
  If the issue is related to resource limitations, consider increasing the database server's resources (CPU, memory, etc.) or optimizing the database configuration.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes and documentation related to your specific version of SAP and the database you are using (e.g., Oracle, HANA, SQL Server) for any known issues or patches.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to DB793.
  Transaction Codes: Familiarize yourself with transaction codes like SM12, SM21, SM37, SM66, and SM50 for monitoring and managing locks and jobs.
  Database Logs: Check the database logs for any errors or warnings that may provide additional context for the lock issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or database administrator for further investigation and resolution.