How To Fix /SAPAPO/PDEM246 - Item &1 not loaded in order &1 (already in data realignment step)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 246

• Message text: Item &1 not loaded in order &1 (already in data realignment step)

Self-Explanatory Message

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• What is the cause and solution for SAP error message /SAPAPO/PDEM246 - Item &1 not loaded in order &1 (already in data realignment step) ?

  The SAP error message /SAPAPO/PDEM246 Item &1 not loaded in order &1 (already in data realignment step) typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the data loading process for a specific order. This error indicates that the item in question is not being loaded because it is already in the data realignment step, which is part of the data processing workflow in APO.
  Cause:
  
  Data Realignment Process: The error suggests that the item is currently being processed in a data realignment step. This can happen if there are ongoing processes that are modifying or aligning data for that specific order or item.
  Concurrency Issues: If multiple processes are trying to access or modify the same data simultaneously, it can lead to conflicts and this error may be triggered.
  Incomplete Data Load: If the data load process was interrupted or not completed successfully, it may leave the system in a state where certain items are not available for processing.
  
  Solution:
  
  Check Data Realignment Status: Verify if the data realignment process is still running. If it is, you may need to wait for it to complete before attempting to load the item again.
  Monitor Background Jobs: Use transaction codes like SM37 to check for any background jobs related to data realignment or loading processes. Ensure that there are no stuck or failed jobs.
  Restart the Process: If the data realignment process is not running but the error persists, consider restarting the relevant background jobs or processes to clear any locks or inconsistencies.
  Check for Locks: Use transaction SM12 to check for any locks on the order or item. If there are locks that are no longer needed, they can be released.
  Review Logs: Check the application logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  Consult Documentation: Refer to SAP notes or documentation related to the specific version of APO you are using, as there may be known issues or patches available.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM12 (Lock Entries), and SLG1 (Application Log).
  SAP Notes: Search for SAP Notes related to the error message or the specific APO version you are using for any patches or updates that may address the issue.
  APO Configuration: Ensure that your APO system is properly configured for data loading and realignment processes, as misconfigurations can lead to such errors.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or technical team for further investigation.