How To Fix KS028 - Change interval must be on posting period limit

SAP Error Message - Details

• Message type: E = Error

• Message class: KS - RK-S Master Data Maintenance

• Message number: 028

• Message text: Change interval must be on posting period limit

What causes this issue?

The field you want to change must be unique within an posting period.
You have selected a change interval which is not within an posting
period. Changing the field would lead to inconsistent data.

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?

Select a suitable change interval to change the field using the
"Analysis period" function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KS028 - Change interval must be on posting period limit ?

  The SAP error message KS028 ("Change interval must be on posting period limit") typically occurs in the context of controlling (CO) when you are trying to change a cost center or internal order's planning data, and the change interval does not align with the defined posting periods in the system.
  Cause:
  
  Posting Periods: The error is usually triggered when the change interval you are trying to set does not correspond to the defined posting periods in the system. For example, if you are trying to change a planning value for a cost center for a period that is not open for posting, or if the interval does not match the defined periods (e.g., monthly, quarterly).
  Configuration Issues: There may be issues with the configuration of the controlling area or the fiscal year variant that defines the posting periods.
  Data Entry Errors: The user may have entered an incorrect date range that does not match the allowed posting periods.
  
  Solution:
  
  
  Check Posting Periods: Verify the posting periods in the system. You can do this by navigating to the relevant configuration settings in SAP:
  
  Go to Transaction Code OB52 to check the open and closed posting periods.
  Ensure that the period you are trying to change is open for posting.
  
  
  
  Adjust Change Interval: If the change interval you are trying to set does not match the allowed posting periods, adjust it to align with the defined periods. Make sure that the start and end dates of the interval fall within the open posting periods.
  
  
  Review Configuration: If you suspect a configuration issue, review the settings for the controlling area and fiscal year variant:
  
  Check the configuration in Transaction Code OKEQ for controlling area settings.
  Ensure that the fiscal year variant is correctly defined and that the posting periods are set up as intended.
  
  
  
  Consult Documentation: If you are unsure about the configuration or the posting periods, refer to SAP documentation or consult with your SAP Basis or CO module expert for guidance.
  
  
  User Training: Ensure that users are trained on how to enter planning data correctly and understand the implications of posting periods.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OB52: For managing posting periods.
  OKKP: For controlling area settings.
  KP06: For planning data entry.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the KS028 error and successfully change the planning data as needed.