How To Fix /SCWM/CCHECK300 - Lock of table &1 for WO &2 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/CCHECK -

• Message number: 300

• Message text: Lock of table &1 for WO &2 failed

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/CCHECK300 - Lock of table &1 for WO &2 failed ?

  The SAP error message /SCWM/CCHECK300 Lock of table &1 for WO &2 failed typically occurs in the context of Warehouse Management (WM) or Extended Warehouse Management (EWM) when there is an attempt to lock a database table for a work order (WO) but the lock cannot be acquired. This can happen for several reasons, including:
  Causes:
  
  Concurrent Access: Another process or user is currently accessing the same table, which prevents the lock from being acquired.
  Long-Running Transactions: A transaction that is taking too long to complete may hold the lock longer than expected, causing subsequent requests to fail.
  Deadlocks: There may be a deadlock situation where two or more processes are waiting for each other to release locks.
  Database Issues: There could be underlying database issues or configuration problems that affect locking behavior.
  System Performance: High system load or performance issues can lead to delays in acquiring locks.
  
  Solutions:
  
  Identify Blocking Processes: Use transaction codes like SM12 (to view and delete locks) or SM21 (to check system logs) to identify any blocking processes. If you find a process that is holding the lock, you may need to terminate it if it is safe to do so.
  Check for Long-Running Transactions: Investigate any long-running transactions that may be holding locks. You can use transaction SM66 to monitor active processes across the system.
  Increase Timeout Settings: If applicable, consider increasing the timeout settings for locks in your system configuration.
  Optimize Performance: Review system performance and optimize any slow-running queries or processes that may be contributing to the issue.
  Database Maintenance: Perform regular database maintenance to ensure that the database is functioning optimally. This includes checking for fragmentation and ensuring that statistics are up to date.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12, SM21, SM66, and ST22 for monitoring locks, system logs, and dumps.
  SAP Documentation: Review SAP documentation related to EWM and locking mechanisms to understand how locks are managed within the system.
  Performance Monitoring: Regularly monitor system performance and database health to proactively address potential locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.