How To Fix PPH_MRP401 - MRP started at &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 401

• Message text: MRP started at &1 &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPH_MRP401 - MRP started at &1 &2 ?

  The SAP error message PPH_MRP401 indicates that the Material Requirements Planning (MRP) run was started at a specific time, but it may also imply that there are issues or warnings related to the MRP process. This message is typically informational, but it can also be associated with specific problems that need to be addressed.
  Cause:
  
  MRP Configuration Issues: There may be configuration issues in the MRP settings that prevent it from running correctly.
  Master Data Issues: Problems with material master data, such as missing or incorrect data, can lead to MRP errors.
  Locking Issues: If another process is locking the MRP tables, it may cause the MRP run to fail or not complete as expected.
  Resource Availability: If there are constraints on resources (like production capacity), it may affect the MRP run.
  Batch Jobs: If the MRP is scheduled to run as a batch job, there may be issues with the job scheduling or execution.
  
  Solution:
  
  Check MRP Configuration: Review the MRP configuration settings in the system to ensure they are set up correctly.
  Review Material Master Data: Ensure that all relevant material master data is complete and accurate. Check for missing information such as planning parameters, lot sizes, and lead times.
  Monitor Locks: Use transaction codes like SM12 to check for any locks on MRP-related tables and resolve them if necessary.
  Analyze MRP Logs: Check the MRP log for any specific errors or warnings that can provide more context on what went wrong during the MRP run. You can use transaction code MD04 to view the MRP results and logs.
  Check Batch Job Status: If the MRP is running as a batch job, check the job status in transaction SM37 to see if it completed successfully or if there were any errors.
  Run MRP in Test Mode: If you suspect issues, you can run MRP in test mode to identify potential problems without affecting production planning.
  
  Related Information:
  
  Transaction Codes: 
  
  MD01: MRP Run
  MD04: Stock/Requirements List
  SM12: Display and Delete Locks
  SM37: Job Monitoring
  
  
  MRP Types: Understand the different MRP types (e.g., PD, VB, etc.) and how they affect planning.
  Documentation: Refer to SAP Help documentation for detailed information on MRP processes and troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for specific patches or updates related to MRP functionality.