How To Fix /SCMTMS/UI_MESSAGES106 - Decision table &1 cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/UI_MESSAGES -

• Message number: 106

• Message text: Decision table &1 cannot be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/UI_MESSAGES106 - Decision table &1 cannot be locked ?

  The SAP error message /SCMTMS/UI_MESSAGES106 Decision table &1 cannot be locked typically occurs in the context of SAP Transportation Management (TM) when there is an attempt to access or modify a decision table that is currently locked by another user or process. This can happen due to concurrent access or if the table is being processed in a way that prevents other transactions from accessing it.
  Causes:
  
  Concurrent Access: Another user or process is currently using the decision table, which prevents your session from locking it.
  Long-running Transactions: A transaction that is taking a long time to complete may hold the lock longer than expected.
  System Issues: There may be underlying system issues or bugs that are causing the locking mechanism to behave unexpectedly.
  Database Locks: Locks at the database level can also lead to this error if the decision table is being accessed in a way that conflicts with your operation.
  
  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 User/Process: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the decision table. You can then coordinate with that user to resolve the conflict.
  Check for Long-running Transactions: Use transaction SM66 (global work process overview) to check for any long-running transactions that might be holding the lock.
  System Restart: In some cases, a system restart may be necessary to clear any persistent locks, but this should be done with caution and typically as a last resort.
  Contact Support: If the issue persists and you cannot identify the cause, it may be necessary to contact SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12, SM66, and SM21 (system log) to monitor locks and system behavior.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to decision table locking.
  Documentation: Review SAP documentation for Transportation Management to understand how decision tables are used and managed within the system.
  
  By following these steps, you should be able to diagnose and resolve the locking issue related to the decision table in SAP TM.