How To Fix RY520 - Shift rules: Historical start date per calendar & changed from & to &

RY520 - Overview

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 520

• Message text: Shift rules: Historical start date per calendar & changed from & to &

What causes this issue?

In calendar &V1&, &V2& is a holiday. The new reference date for
historical shift rules is &V3&.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY520 - Shift rules: Historical start date per calendar & changed from & to & ?

  The SAP error message RY520, which states "Shift rules: Historical start date per calendar & changed from & to &," typically occurs in the context of shift planning and scheduling within the SAP system, particularly in modules like SAP HCM (Human Capital Management) or SAP SuccessFactors.
  
  Cause:
  This error usually arises when there is a conflict or inconsistency in the shift rules or calendar settings. Specifically, it indicates that the historical start date for a shift rule has been modified, which can lead to discrepancies in how shifts are assigned or calculated. The error message provides details about the calendar and the dates that have changed, which can help identify the specific issue.
  
  Solution:
  To resolve the RY520 error, you can follow these steps:
  
  
  Check Shift Rules: Review the shift rules that are defined in the system. Ensure that the historical start dates are correctly set and that there are no overlapping or conflicting rules.
  
  
  Review