How To Fix PPH_MRP399 - You cannot run MRP Live and related functions during an upgrade

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 399

• Message text: You cannot run MRP Live and related functions during an upgrade

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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Smart SAP Assistant

• What is the cause and solution for SAP error message PPH_MRP399 - You cannot run MRP Live and related functions during an upgrade ?

  The SAP error message PPH_MRP399 indicates that you cannot run MRP Live and related functions during an upgrade process. This is a safeguard implemented by SAP to prevent inconsistencies and issues that may arise when the system is in a transitional state during an upgrade.
  Cause:
  The primary cause of this error is that the system is currently undergoing an upgrade, and certain functionalities, including MRP Live, are restricted to ensure data integrity and system stability. Running MRP processes during an upgrade could lead to data inconsistencies or errors due to changes in the underlying data structures or business logic.
  Solution:
  To resolve this error, you should follow these steps:
  
  
  Wait for the Upgrade to Complete: The most straightforward solution is to wait until the upgrade process is fully completed. Once the upgrade is finished, you should be able to run MRP Live and related functions without any issues.
  
  
  Check Upgrade Status: Monitor the progress of the upgrade. You can check the upgrade logs or consult with your SAP Basis team to get updates on the status of the upgrade.
  
  
  Post-Upgrade Activities: After the upgrade is complete, ensure that all necessary post-upgrade activities are performed. This may include running specific transactions or programs to finalize the upgrade process.
  
  
  Testing: Once the upgrade is complete, conduct thorough testing of the MRP functionalities to ensure everything is working as expected.
  
  
  Consult SAP Notes: If you encounter further issues or if the error persists after the upgrade, consult the SAP Support Portal for any relevant SAP Notes or documentation that may provide additional guidance or solutions.
  
  
  Related Information:
  
  SAP Upgrade Process: Familiarize yourself with the SAP upgrade process, including the phases and activities involved. This knowledge can help you understand the restrictions in place during an upgrade.
  MRP Live: Understand the functionalities and benefits of MRP Live, as well as any specific configurations that may be affected by the upgrade.
  SAP Support: If you continue to experience issues or have questions, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to address the error and resume normal operations once the upgrade is complete.