How To Fix CM_MRP_BUFFER007 - Error while calculating time horizon for plant &1 and factory calendar &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MRP_BUFFER - MRP Buffer Access and Update

• Message number: 007

• Message text: Error while calculating time horizon for plant &1 and factory calendar &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_MRP_BUFFER007 - Error while calculating time horizon for plant &1 and factory calendar &2 ?

  The SAP error message CM_MRP_BUFFER007 indicates that there is an issue with calculating the time horizon for a specific plant and factory calendar. This error typically arises during the Material Requirements Planning (MRP) process when the system is unable to determine the appropriate time frame for planning due to configuration or data issues.
  Causes:
  
  Incorrect Factory Calendar Configuration: The factory calendar assigned to the plant may not be set up correctly, or it may not cover the required planning periods.
  Missing or Incomplete Data: There may be missing data related to the plant, such as holidays, working days, or other calendar-related settings.
  MRP Settings: The MRP settings for the plant may not be configured properly, leading to issues in time horizon calculations.
  Time Horizon Parameters: The parameters for the time horizon in the MRP configuration may not be defined correctly, causing the system to fail in calculating the required time frame.
  
  Solutions:
  
  
  Check Factory Calendar:
  
  Go to the transaction code SCAL to review the factory calendar assigned to the plant.
  Ensure that the calendar is correctly defined with all necessary holidays and working days.
  
  
  
  Review MRP Settings:
  
  Use transaction code MD01 or MD02 to check the MRP settings for the plant.
  Ensure that the planning parameters, such as planning horizon and lot size, are set correctly.
  
  
  
  Validate Data:
  
  Check for any missing or incomplete data related to the plant in the Material Master (transaction code MM03).
  Ensure that all relevant fields are filled out correctly.
  
  
  
  Adjust Time Horizon Parameters:
  
  Review the time horizon settings in the MRP configuration (transaction code OMMR).
  Make adjustments as necessary to ensure that the time horizon can be calculated without errors.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SCAL: Factory Calendar Maintenance
  MD01: MRP Run
  MD02: MRP Run for Single Material
  MM03: Display Material
  OMMR: MRP Configuration
  
  
  
  Documentation: Refer to SAP Help documentation for MRP and factory calendar configuration for detailed guidance on setting up and troubleshooting.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the root cause of the CM_MRP_BUFFER007 error and implement the necessary solutions to resolve it.