How To Fix PC131 - Table & cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: PC - Graphics interface messages

• Message number: 131

• Message text: Table & cannot be locked

What causes this issue?

An error occurred locking the desired table.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please try again later.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PC131 - Table & cannot be locked ?

  The SAP error message PC131, which states "Table & cannot be locked," typically occurs when there is an attempt to lock a database table that is already locked by another process or user. This can happen in various scenarios, such as during data updates, report generation, or when multiple users are trying to access the same data simultaneously.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the same table, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table longer than expected.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks can lead to this error.
  Database Configuration: Certain database settings or configurations may affect how locks are managed.
  System Performance Issues: High system load or performance issues can lead to delays in releasing locks.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify Locking Process: Use transaction codes like SM12 (to view and manage locks) to identify which user or process is holding the lock. You can then decide whether to wait for it to complete or take action.
  Terminate Long-Running Transactions: If a transaction is taking too long and is holding a lock, you may need to terminate it (with caution) using transaction SM12 or SM21.
  Optimize Transactions: Review and optimize the code or processes that are causing long locks. This may involve breaking down large transactions into smaller ones.
  Database Configuration Review: Consult with your database administrator to review and adjust database settings related to locking and concurrency.
  System Performance Monitoring: Monitor system performance to identify bottlenecks that may be causing delays in lock release.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  ST22: To check for dumps that may provide additional context.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking mechanisms in your specific version of SAP.
  Documentation: Review SAP documentation on database locking and transaction management for best practices.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.