How To Fix MPD199 - Maintenance plan has already been started

SAP Error Message - Details

• Message type: E = Error

• Message class: MPD - Message Class for A&D MPD

• Message number: 199

• Message text: Maintenance plan has already been started

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPD199 - Maintenance plan has already been started ?

  The SAP error message MPD199, which states "Maintenance plan has already been started," typically occurs when you attempt to execute a maintenance plan that is already in progress or has been started in the system. This can happen in various scenarios, such as when trying to schedule a maintenance task or when attempting to manually start a maintenance plan that is already active.
  Cause:
  
  Concurrent Execution: The maintenance plan is already being processed or executed by another user or process.
  System Lock: The system may have a lock on the maintenance plan due to ongoing operations or transactions.
  Incorrect Status: The maintenance plan may be in a status that does not allow it to be started again until the current execution is completed.
  
  Solution:
  
  Check Active Processes: Verify if the maintenance plan is currently being executed. You can check the status of the maintenance plan in the relevant transaction (e.g., IP24 for maintenance plans).
  Wait for Completion: If the maintenance plan is indeed running, you may need to wait until it completes before attempting to start it again.
  Release Locks: If you suspect that a lock is causing the issue, you can use transaction SM12 to check for and release any locks related to the maintenance plan.
  Review Logs: Check the logs for any additional error messages or information that might indicate why the maintenance plan cannot be started.
  Consult Documentation: Refer to SAP documentation or help resources for specific details related to the maintenance plan and its execution.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IP01 (Create Maintenance Plan), IP02 (Change Maintenance Plan), IP24 (Display Maintenance Plan), and IP30 (Schedule Maintenance Plan).
  User Authorizations: Ensure that you have the necessary authorizations to execute or modify maintenance plans.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address known issues.
  System Performance: Sometimes, system performance issues can lead to delays in processing. Ensure that the system is running optimally.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical support team for further assistance.