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

M3673 - Overview

• 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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Error message extract from SAP system. Copyright SAP SE.

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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