How To Fix /SAPAPO/RET_MESSAGES584 - Save not possible. Data has been changed in the mean time

/SAPAPO/RET_MESSAGES584 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RET_MESSAGES -

• Message number: 584

• Message text: Save not possible. Data has been changed in the mean time

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.

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/SAPAPO/RET_MESSAGES584 - Details

• The SAP error message /SAPAPO/RET_MESSAGES584 indicates that a save operation could not be completed because the data has been changed in the meantime. This typically occurs in the context of SAP Advanced Planning and Optimization (APO) when multiple users or processes are trying to modify the same data simultaneously, leading to a conflict.
  Causes:
  
  Concurrent Modifications: Another user or process has modified the data after it was loaded into your session but before you attempted to save it.
  Session Timeout: If your session has been open for a long time, the data may have been updated by another user or process.
  Data Locking: The data you are trying to save may be locked by another transaction or user.
  Buffer Issues: Sometimes, data in the buffer may not be in sync with the database, leading to conflicts.
  
  Solutions:
  
  Refresh the Data: Before saving, refresh the data in your session to ensure you are working with the most current