How To Fix M3673 - PP planning calendar & not defined in any plant

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 673

• Message text: PP planning calendar & not defined in any plant

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• What is the cause and solution for SAP error message M3673 - PP planning calendar & not defined in any plant ?

  The SAP error message M3673 indicates that the planning calendar is not defined for the specified plant in the context of Production Planning (PP). This error typically arises when the system is trying to perform planning activities, but it cannot find a valid planning calendar associated with the plant in question.
  Cause:
  
  Missing Planning Calendar: The planning calendar has not been defined for the specific plant in the system.
  Incorrect Configuration: The configuration settings for the planning calendar may not have been set up correctly.
  Plant-Specific Settings: The plant may not have been assigned a planning calendar, or the calendar assigned is not valid.
  
  Solution:
  To resolve the M3673 error, you can follow these steps:
  
  
  Define Planning Calendar:
  
  Go to the transaction code SPRO to access the SAP Customizing Implementation Guide.
  Navigate to Production ? Basic Data ? Planning Calendar.
  Check if a planning calendar is defined for the relevant plant. If not, create a new planning calendar or assign an existing one.
  
  
  
  Assign Planning Calendar to Plant:
  
  In the same area, ensure that the planning calendar is assigned to the specific plant.
  You can do this by going to the relevant configuration settings and linking the planning calendar to the plant.
  
  
  
  Check Existing Settings:
  
  Verify if the planning calendar is correctly set up and that there are no inconsistencies in the configuration.
  Ensure that the calendar is active and has the necessary working days and holidays defined.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test run of the planning process to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD01 (MRP Run), MD02 (Single-item, Multi-level MRP), and MD04 (Stock/Requirements List) to test the planning process.
  Documentation: Refer to SAP documentation or help files for detailed steps on configuring planning calendars and understanding their impact on production planning.
  User Roles: Ensure that you have the necessary authorizations to make changes to the planning calendar settings.
  
  By following these steps, you should be able to resolve the M3673 error and ensure that your production planning processes run smoothly.