How To Fix T0323 - At least one calendar is required for this working day rule

T0323 - Overview

• Message type: E = Error

• Message class: T0 - General Treasury

• Message number: 323

• Message text: At least one calendar is required for this working day rule

What causes this issue?

You have selected a working date rule which requires a calendar but
you haven't entered a calendar.

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?

Enter a calendar.

Error message extract from SAP system. Copyright SAP SE.

T0323 - Details

• The SAP error message T0323, "At least one calendar is required for this working day rule," typically occurs in the context of configuring working time rules in SAP, particularly in the Human Capital Management (HCM) module. This error indicates that a working day rule has been defined, but it lacks an associated calendar, which is necessary for the system to determine working days and hours.
  
  Cause:
  
  Missing Calendar Assignment: The working day rule you are trying to use does not have a calendar assigned to it. Calendars define the working days and hours for employees.
  Incorrect Configuration: The configuration of the working day rule may be incomplete or incorrect, leading to the absence of a calendar.
  Data Inconsistency: There may be inconsistencies in the data setup, such as missing entries in the relevant tables.
  
  
  Solution:
  To resolve the T0323 error, follow these steps:
  
  
  Check Working Day Rule Configuration:
  
  Go to the configuration for working day rules in SAP