How To Fix AH428 - To-date must not be changed

AH428 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 428

• Message text: To-date must not be changed

What causes this issue?

You have changed the to-date from &v1& to &v2&. However, this change is
not permitted because the values of operand &V4& must not be changed
before the date &v3&.
Date &V3& can contain the following:
End of last billing period: Maintenance of operand values is permitted
in the current billing period only.
End of last backbilling period: Maintenance of operand values is
permitted in the current backbilling period only.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

AH428 - Details

• The SAP error message AH428 ("To-date must not be changed") typically occurs in the context of date management within SAP applications, particularly when dealing with time-dependent data such as validity periods for master data or transaction records. This error indicates that the "To-date" field is being modified in a way that is not allowed by the system's rules or logic.
  
  Cause:
  
  Invalid Date Change: The user is attempting to change the "To-date" of a record that is already in use or has dependencies that prevent modification.
  Data Integrity Rules: SAP enforces certain data integrity rules that prevent changes to dates that would lead to inconsistencies in related records or transactions.
  Locked Records: The record may be locked by another user or process, preventing changes to the date fields.
  Configuration Settings: Certain configurations in the system may restrict changes to date fields based on business rules.
  
  
  Solution:
  
  Check Dependencies: Review any dependencies or related records that may be