How To Fix JO806 - System error: Table/view & could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: JO - Project Information System: All Overviews

• Message number: 806

• Message text: System error: Table/view & could not be locked

What causes this issue?

A system error occurred in lock management. The system could not lock
the required data.

System Response

Processing is terminated.

How to fix this error?

INCLUDE NA_SYSTEMVERWALTUNG

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JO806 - System error: Table/view & could not be locked ?

  The SAP error message JO806, which states "System error: Table/view & could not be locked," typically indicates that there is an issue with locking a database table or view during a transaction. This can occur for several reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Concurrent Access: Another user or process may be accessing the same table/view, preventing your transaction from obtaining the necessary lock.
  Long-Running Transactions: If a transaction is taking too long to complete, it may hold locks longer than expected, causing subsequent transactions to fail.
  Database Lock Table Issues: The database lock table may be full or corrupted, leading to issues with acquiring locks.
  Insufficient Authorizations: The user may not have the necessary authorizations to lock the table/view.
  Database Configuration Issues: There may be underlying issues with the database configuration or performance that are affecting locking behavior.
  
  Solutions:
  
  Check for Active Locks: Use transaction codes like SM12 to check for existing locks on the table/view. If you find locks that are no longer needed, you can release them.
  Review Long-Running Transactions: Identify and analyze any long-running transactions that may be holding locks. You can use transaction codes like SM50 or SM66 to monitor active processes.
  Increase Lock Table Size: If the lock table is full, consider increasing its size in the database configuration.
  User Authorizations: Ensure that the user has the necessary authorizations to perform the operation that requires locking the table/view.
  Database Maintenance: Perform regular database maintenance to ensure optimal performance and to resolve any underlying issues that may affect locking.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue, especially if it was caused by temporary contention.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM50 (for monitoring processes), and SM66 (for monitoring global processes).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Database Logs: Review database logs for any errors or warnings that may provide additional context for the locking issue.
  Performance Tuning: Consider performance tuning for your database and SAP system to minimize locking issues in the future.
  
  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.