How To Fix /SAPAPO/MA780 - MLR error 7: mlr.exe does not exist or destination is incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 780

• Message text: MLR error 7: mlr.exe does not exist or destination is incorrect

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MA780 - MLR error 7: mlr.exe does not exist or destination is incorrect ?

  The SAP error message /SAPAPO/MA780 MLR error 7: mlr.exe does not exist or destination is incorrect typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is trying to execute the Multi-Level Resource (MLR) planning process. This error indicates that the system cannot find the mlr.exe executable file or that the destination path for this executable is incorrect.
  Causes:
  
  Missing Executable: The mlr.exe file may not be present in the expected directory on the server where the APO system is running.
  Incorrect Path Configuration: The path to the mlr.exe executable may not be correctly configured in the SAP system settings.
  Permissions Issues: The user or service account running the SAP APO process may not have the necessary permissions to access the directory where mlr.exe is located.
  Environment Variables: The environment variables required for the execution of mlr.exe may not be set correctly.
  
  Solutions:
  
  
  Verify Executable Presence:
  
  Check if mlr.exe exists in the expected directory on the server. The typical path might be something like C:\SAP\SAPAPO\bin\ or similar, depending on your installation.
  If it is missing, you may need to reinstall or repair the SAP APO installation to restore the executable.
  
  
  
  Check Path Configuration:
  
  In the SAP system, navigate to the relevant configuration settings where the path for external executables is defined. Ensure that the path to mlr.exe is correct.
  You can check the configuration in transaction RZ10 or RZ11 for profile parameters related to external commands.
  
  
  
  Permissions:
  
  Ensure that the user account running the SAP services has the necessary permissions to access the directory containing mlr.exe.
  You may need to adjust the permissions on the folder or the executable itself.
  
  
  
  Environment Variables:
  
  Check if any required environment variables are set correctly. This may include variables like PATH that should include the directory where mlr.exe is located.
  You can set environment variables in the system properties of the server.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the MLR process for any specific requirements or configurations that may be necessary.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They may provide specific notes or patches that address this issue.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MLR for MLR-related activities and SM37 for monitoring job logs.
  
  By following these steps, you should be able to identify and resolve the issue related to the /SAPAPO/MA780 MLR error 7.