How To Fix /SAPAPO/SCC146 - Database lock for model & cannot be released

/SAPAPO/SCC146 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SCC -

• Message number: 146

• Message text: Database lock for model & cannot be released

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SCC146 - Database lock for model & cannot be released ?

  The SAP error message /SAPAPO/SCC146 Database lock for model & cannot be released typically occurs in the SAP Advanced Planning and Optimization (APO) module when there is a database lock on a model that prevents certain operations from being completed. This can happen for various reasons, such as concurrent processes trying to access the same model or a previous process not releasing the lock properly.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same model simultaneously, leading to a lock.
  Long-Running Transactions: A transaction that takes too long to complete may hold a lock longer than expected.
  Unfinished Processes: A previous process that was interrupted or did not complete may leave a lock in place.
  System Errors: Issues with the database or the application server can also lead to locks not being released.
  
  Solutions:
  
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or process