How To Fix /SAPAPO/ATP_BOP073 - &1 order items could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP_BOP -

• Message number: 073

• Message text: &1 order items 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/ATP_BOP073 - &1 order items could not be locked ?

  The SAP error message /SAPAPO/ATP_BOP073 indicates that certain order items could not be locked during the ATP (Available to Promise) check in the Advanced Planning and Optimization (APO) module. This error typically arises when there are issues related to data consistency, concurrent access, or system configuration.
  Causes:
  
  Concurrent Access: The order items may be locked by another process or user, preventing the current transaction from obtaining the necessary locks.
  Data Consistency Issues: There may be inconsistencies in the data related to the order items, such as missing or incorrect information.
  System Configuration: Incorrect settings in the APO system or the underlying database can lead to locking issues.
  Long-running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, causing other transactions to fail.
  Database Lock Table Issues: The database lock table may be full or not functioning correctly.
  
  Solutions:
  
  Check for Concurrent Processes: Identify if other users or processes are accessing the same order items. You can use transaction codes like SM12 (to check for locks) to see if there are existing locks on the order items.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue if it was caused by a temporary lock.
  Review Data Consistency: Ensure that the data related to the order items is complete and correct. Check for any missing master data or configuration settings.
  System Configuration Review: Review the configuration settings in the APO system to ensure they are set up correctly for locking mechanisms.
  Monitor Long-running Transactions: Use transaction codes like SM66 or ST22 to monitor system performance and identify any long-running transactions that may be causing locks.
  Database Maintenance: If the lock table is full, consider performing database maintenance or consulting with your database administrator to resolve any underlying issues.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: Display and manage locks.
  SM66: Global work process overview.
  ST22: Dump analysis for runtime errors.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review the SAP APO documentation for best practices regarding ATP checks and locking mechanisms.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.