How To Fix CX201 - Error locking &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CX - Nachrichten für Konfigurationsprozess

• Message number: 201

• Message text: Error locking &1 &2

What causes this issue?

You attempted to lock table &.

System Response

The system could not lock the table.

How to fix this error?

Notify your systems administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CX201 - Error locking &1 &2 ?

  The SAP error message CX201, which indicates "Error locking &1 &2," typically occurs when there is an issue with locking an object in the SAP system. This can happen in various scenarios, such as when multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same object at the same time.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on an object longer than expected, preventing others from accessing it.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks, causing a standstill.
  System Configuration Issues: Incorrect configuration of lock parameters or settings in the SAP system.
  Database Issues: Problems with the underlying database that may affect locking mechanisms.
  
  Solutions:
  
  Wait and Retry: If the error is due to concurrent access, waiting for a short period and then retrying the operation may resolve the issue.
  Identify Lock Holders: Use transaction code SM12 to check for existing locks. You can identify which user or process is holding the lock and take appropriate action (e.g., contacting the user to release the lock).
  Analyze Long-running Transactions: Use transaction code SM66 or SM50 to monitor active processes and identify any long-running transactions that may be causing locks.
  Check for Deadlocks: If you suspect a deadlock, analyze the situation using transaction SM21 (System Log) or ST22 (Dump Analysis) to find relevant information.
  Adjust Lock Parameters: If necessary, consult with your SAP Basis team to review and adjust lock parameters in the system configuration.
  Database Maintenance: Ensure that the database is properly maintained and optimized, as underlying issues can affect locking behavior.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: View system logs for error messages.
  ST22: Analyze dumps for further insights.
  SM50 / SM66: Monitor active processes and their statuses.
  
  
  
  SAP Notes: Check SAP Notes related to locking issues for specific patches or updates that may address known problems.
  
  
  Documentation: Review SAP documentation on locking mechanisms and best practices for managing concurrent access to objects.
  
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.