How To Fix /SAPAPO/PDEM423 - Realignment has not finished; running of this service is not allowed

/SAPAPO/PDEM423 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 423

• Message text: Realignment has not finished; running of this service is not allowed

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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/SAPAPO/PDEM423 - Details

• The SAP error message /SAPAPO/PDEM423 Realignment has not finished; running of this service is not allowed typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a realignment process is still ongoing or has not been completed successfully. This error can prevent users from executing certain services or functions that depend on the completion of the realignment process.
  
  Cause:
  
  Ongoing Realignment Process: The most common cause of this error is that a realignment process is currently running or has not been completed. Realignment is a process that adjusts the planning data in the system to ensure consistency and accuracy.
  Previous Errors: If the realignment process encountered an error or was interrupted, it may leave the system in a state where it thinks the process is still active.
  Locking Mechanism: SAP uses locking mechanisms to prevent multiple processes from running simultaneously on the same data. If a realignment is in progress, it