How To Fix PPH_MRP406 - Creation of planning proposals in past allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 406

• Message text: Creation of planning proposals in past allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPH_MRP406 - Creation of planning proposals in past allowed ?

  The SAP error message PPH_MRP406, which states "Creation of planning proposals in past allowed," typically occurs during the Material Requirements Planning (MRP) process. This message indicates that the system is allowing the creation of planning proposals (such as purchase requisitions or production orders) for dates that are in the past, which is generally not advisable in a standard MRP process.
  Cause:
  
  Configuration Settings: The MRP settings in the system may be configured to allow planning proposals for past dates. This can happen if the planning parameters are not set correctly.
  Material Master Data: The material master data may have settings that allow for past planning, such as incorrect lead times or planning horizons.
  MRP Type: The MRP type assigned to the material may allow for past planning proposals.
  Planning Strategy: The planning strategy used for the material may not restrict past planning.
  
  Solution:
  
  
  Review MRP Configuration:
  
  Check the MRP configuration settings in the system. Ensure that the planning parameters are set to restrict planning proposals to future dates.
  You can access the MRP configuration through transaction code SPRO and navigate to the relevant sections.
  
  
  
  Check Material Master Data:
  
  Review the material master data for the affected materials. Ensure that the lead times, planning horizons, and other relevant fields are set correctly.
  Use transaction code MM03 to view the material master data.
  
  
  
  Adjust MRP Type:
  
  If the MRP type allows for past planning, consider changing it to a type that restricts this behavior. You can check the MRP type in the material master data.
  
  
  
  Modify Planning Strategy:
  
  If the planning strategy allows for past planning, consider changing it to a more appropriate strategy that aligns with your business processes.
  
  
  
  Run MRP Again:
  
  After making the necessary changes, run the MRP process again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MD01: MRP Run
  MM03: Display Material Master
  SPRO: Customizing (Configuration)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on MRP configuration and material master settings.
  
  
  User Exits and BAdIs: If the standard configuration does not meet your requirements, consider implementing user exits or Business Add-Ins (BAdIs) to customize the MRP behavior.
  
  
  Testing: Always test changes in a development or quality assurance environment before applying them to the production system to avoid unintended consequences.
  
  
  By following these steps, you should be able to address the PPH_MRP406 error and ensure that planning proposals are created only for future dates.