How To Fix KA429 - Time periods & to & and & to & overlap

SAP Error Message - Details

• Message type: E = Error

• Message class: KA - CO Overhead Costs: Overhead, Accrual Calculation

• Message number: 429

• Message text: Time periods & to & and & to & overlap

What causes this issue?

Validity periods &V1& to &V2& and &V3& to &V4& overlap each other.

How to fix this error?

Enter a different validity period.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KA429 - Time periods & to & and & to & overlap ?

  The SAP error message KA429, which states "Time periods & to & and & to & overlap," typically occurs in the context of controlling (CO) when you are trying to create or modify a cost center, internal order, or other controlling objects that have overlapping validity periods. This error indicates that the time periods you are trying to set for a particular object conflict with existing time periods for that object or related objects.
  Cause:
  
  
  Overlapping Time Periods: The primary cause of this error is that the time periods you are trying to assign to a cost center, internal order, or other controlling objects overlap with existing time periods. For example, if you are trying to set a validity period from January 1, 2023, to December 31, 2023, but there is already an entry for the same cost center from June 1, 2023, to December 31, 2023, this will trigger the error.
  
  
  Incorrect Data Entry: Sometimes, the error can be caused by incorrect data entry, such as entering the wrong start or end dates.
  
  
  Configuration Issues: There may be configuration settings in the controlling module that enforce strict rules on time periods, leading to this error.
  
  
  Solution:
  
  
  Check Existing Time Periods: Review the existing time periods for the cost center or internal order you are trying to modify. You can do this by navigating to the relevant transaction (e.g., KS03 for cost centers) and checking the validity periods.
  
  
  Adjust Time Periods: If you find overlapping periods, you will need to adjust the time periods you are trying to set. Ensure that the new time period does not overlap with any existing periods.
  
  
  Delete or Modify Existing Entries: If the existing entries are no longer needed, you can delete or modify them to resolve the overlap. Be cautious with this approach, as it may affect reporting and historical data.
  
  
  Consult Documentation: If you are unsure about the time periods or how to adjust them, consult the SAP documentation or your organization's SAP support team for guidance.
  
  
  Use Transaction Codes: Use relevant transaction codes to check and manage time periods:
  
  KS03: Display Cost Center
  KO03: Display Internal Order
  KSB1: Display Actual Line Items for Cost Centers
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, SAP releases notes that provide additional context or solutions for specific issues.
  User Authorization: Ensure that you have the necessary authorizations to modify the cost center or internal order settings.
  Testing in Development: If you are making changes to configurations or data, consider testing in a development environment before applying changes in production.
  
  By following these steps, you should be able to resolve the KA429 error and successfully manage the time periods for your controlling objects in SAP.