How To Fix WFCS103 - Factory calendar &1 does not exist or is inactive &2 &3 &4

WFCS103 - Overview

• Message type: E = Error

• Message class: WFCS - Message Class for Store Forecasting (Dev. Package WFCS)

• Message number: 103

• Message text: Factory calendar &1 does not exist or is inactive &2 &3 &4

What causes this issue?

For forecasting using a day period pattern, you need to maintain the
factory calendar in the master data for the plant. The system was
unable to determine the factory calendar for the material/plant
combination in question during the forecast run.

System Response

The system cannot carry out the forecast on a daily basis for the
materials for the plant.

How to fix this error?

Maintain the factory calendar in the master data for the plant and
maintain the factory calendar in the Customizing settings.

Error message extract from SAP system. Copyright SAP SE.

WFCS103 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WFCS103 Factory calendar &1 does not exist or is inactive &2 &3 &4
  
  Meaning / 
  Cause:
  This error occurs when a workflow or a process in SAP tries to use a factory calendar that either:
  
  Does not exist in the system, or  
  Is inactive (i.e., the calendar is not valid or has been deactivated for the relevant period).
  
  Factory calendars in SAP define working days, holidays, and non-working days for a company or plant. They are essential for scheduling workflows, deadlines, and time-dependent processes.
  The placeholders (&1, &2, &3, &4) typically provide additional context such as the calendar ID and other parameters related to the workflow step or object.
  
  Common Scenarios:
  
  A workflow step is scheduled based on a factory calendar that was deleted or never created.
  The calendar exists but is not active for the date range required.
  The calendar assignment in the workflow or customizing