How To Fix /SCMB/TMDL002 - Order could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/TMDL -

• Message number: 002

• Message text: Order could not be locked

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 /SCMB/TMDL002 - Order could not be locked ?

  The SAP error message /SCMB/TMDL002 Order could not be locked typically occurs in the context of the SAP Supply Chain Management (SCM) module, particularly when dealing with order management and transaction processing. This error indicates that the system was unable to lock a specific order for processing, which is necessary to ensure data integrity and prevent concurrent modifications.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the order, leading to a lock conflict.
  System Performance Issues: High system load or performance issues may prevent the system from acquiring the necessary locks.
  Database Locking Mechanism: The underlying database may have locking mechanisms that are preventing access to the order.
  Configuration Issues: There may be configuration settings in the SCM module that affect how locks are managed.
  Long-running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, causing other transactions to fail.
  
  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 Locking Sessions: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the order. You can then decide whether to wait or take action.
  Check for Long-running Transactions: Investigate if there are any long-running transactions that are holding locks. You can use transaction codes like SM66 (global work process overview) to monitor active processes.
  System Performance Tuning: If the issue is related to system performance, consider tuning the database or application server settings to improve performance.
  Review Configuration: Check the configuration settings in the SCM module to ensure that they are set up correctly for your business processes.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or patches related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12, SM21, SM66, and ST22 for monitoring locks, system logs, and dumps.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is impacting business operations.
  Documentation: Review SAP documentation related to order management and locking mechanisms in SCM for a deeper understanding of how locks are managed.
  
  By following these steps, you should be able to diagnose and resolve the /SCMB/TMDL002 Order could not be locked error effectively.