How To Fix /SAPAPO/DEPL_MESS702 - Count of STOs/day could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DEPL_MESS -

• Message number: 702

• Message text: Count of STOs/day could not be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DEPL_MESS702 - Count of STOs/day could not be locked ?

  The SAP error message /SAPAPO/DEPL_MESS702 indicates that the system is unable to lock the count of Stock Transport Orders (STOs) per day. This issue typically arises in the context of Advanced Planning and Optimization (APO) when there are concurrent processes trying to access or modify the same data.
  Causes:
  
  Concurrency Issues: Multiple users or processes are trying to access or modify the same data simultaneously, leading to a locking conflict.
  Long-running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, causing other transactions to fail.
  Database Locking Mechanism: The underlying database may have locking mechanisms that prevent access to certain records when they are being modified.
  Configuration Issues: Incorrect configuration in the APO system or in the background jobs that handle STOs could lead to locking issues.
  
  Solutions:
  
  
  Identify and Resolve Lock Conflicts:
  
  Use transaction SM12 to check for existing locks. Identify the user or process holding the lock and resolve the conflict by terminating the session if necessary.
  
  
  
  Optimize Long-running Transactions:
  
  Review and optimize any long-running transactions that may be causing locks. This could involve improving performance or breaking down large transactions into smaller ones.
  
  
  
  Adjust Background Job Scheduling:
  
  If the error occurs during background processing, consider adjusting the scheduling of jobs to reduce concurrency. Stagger the execution times of jobs that access the same data.
  
  
  
  Increase Lock Timeout:
  
  If appropriate, consider increasing the lock timeout settings in the system to allow longer wait times for locks to be released.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the APO system related to STO processing. Ensure that they are set up correctly and that there are no conflicts.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to analyze dumps).
  Monitoring Tools: Use monitoring tools available in SAP to keep track of system performance and identify potential bottlenecks.
  Documentation: Refer to SAP documentation for detailed information on locking mechanisms and best practices for managing concurrent processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.