How To Fix KG203 - No factory calendar ID is allowed for week assignment rule &1

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 203

• Message text: No factory calendar ID is allowed for week assignment rule &1

What causes this issue?

A factory calendar ID has been entered for the current week assignment
rule (assignment according to calendar days). However, this is only
allowed for week assignment rule 2 (number of workdays according to
factory calendar).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to plan in weeks according to the number of workdays
according to the factory calendar, you need to enter week assignment
rule 2 and the desired factory calendar ID.
To plan in weeks according to calendar days (week assignment rule 1),
remove the factory calendar ID.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG203 - No factory calendar ID is allowed for week assignment rule &1 ?

  The SAP error message KG203 "No factory calendar ID is allowed for week assignment rule &1" typically occurs in the context of production planning or controlling when there is an issue with the configuration of the factory calendar in relation to the week assignment rule.
  
  Cause:
  
  
  Missing Factory Calendar: The error indicates that the system cannot find a valid factory calendar associated with the specified week assignment rule. This can happen if the factory calendar has not been defined or is not properly assigned to the relevant organizational unit.
  
  
  Incorrect Configuration: The week assignment rule may not be correctly configured to use a factory calendar, or the factory calendar ID may not be valid for the specified time period.
  
  
  Data Inconsistency: There may be inconsistencies in the data, such as changes in the factory calendar that have not been reflected in the week assignment rules.
  
  
  
  Solution:
  
  
  Check Factory Calendar Configuration:
  
  Go to the configuration settings for the