How To Fix MA849 - Calendar & not maintained for a sufficient period of time

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 849

• Message text: Calendar & not maintained for a sufficient period of time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MA849 - Calendar & not maintained for a sufficient period of time ?

  The SAP error message MA849 indicates that the calendar for a specific material or plant has not been maintained for a sufficient period of time. This typically occurs in the context of Material Requirements Planning (MRP) or production planning when the system is trying to perform calculations that require a valid calendar.
  Cause:
  
  Calendar Not Defined: The calendar for the material or plant has not been set up in the system.
  Insufficient Time Period: The calendar that is defined does not cover the time period required for the planning or scheduling process.
  Incorrect Configuration: There may be an issue with the configuration of the factory calendar or the planning calendar in the system.
  
  Solution:
  
  
  Maintain the Calendar:
  
  Go to the transaction code SCAL (Maintain Factory Calendar) or OVZB (Define Work Schedules).
  Ensure that the calendar is defined for the relevant plant and that it covers the necessary time period.
  If the calendar is missing, create a new calendar or extend the existing one to cover the required dates.
  
  
  
  Check Material Master:
  
  Use transaction code MM03 to view the material master data.
  Check the MRP views to ensure that the correct calendar is assigned to the material.
  
  
  
  Review Planning Parameters:
  
  Ensure that the planning parameters in the material master are correctly set up, including the MRP type and lot size.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files for additional guidance on maintaining calendars and MRP settings.
  
  
  
  Testing:
  
  After making the necessary changes, run the MRP or planning process again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SCAL: Maintain Factory Calendar
  OVZB: Define Work Schedules
  MM03: Display Material Master
  MD01: MRP Run
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  
  
  User Roles: Ensure that you have the necessary authorizations to make changes to the calendar and material master data.
  
  
  By following these steps, you should be able to resolve the MA849 error and ensure that the calendar is properly maintained for your planning needs.