How To Fix GK019 - Entry no longer unique after breaking down the period categories

SAP Error Message - Details

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 019

• Message text: Entry no longer unique after breaking down the period categories

What causes this issue?

The system has broken down the period categories and the assigned
periods for the entries. The entries within the breakdowns of the
period categories are no longer unique.

System Response

Error message

How to fix this error?

Please check the period categories in Customizing. The system only
accepts new entries if they are unique among the entries that already
exist.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GK019 - Entry no longer unique after breaking down the period categories ?

  The SAP error message GK019 ("Entry no longer unique after breaking down the period categories") typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with planning or budgeting scenarios. This error indicates that there is a conflict in the data entries due to the breakdown of period categories, which can lead to non-unique entries in the system.
  Cause:
  
  
  Non-Unique Entries: The error arises when the system attempts to break down a planning entry into more detailed periods (e.g., monthly or weekly) but finds that the resulting entries are not unique. This can happen if multiple entries exist for the same combination of characteristics (e.g., cost center, internal order, etc.) for the same period.
  
  
  Data Overlap: If there are overlapping data entries for the same period and characteristics, the system cannot determine which entry to use, leading to this error.
  
  
  Incorrect Configuration: Sometimes, the configuration of the planning layout or the period categories may not align with the data being entered, causing conflicts.
  
  
  Solution:
  
  
  Check for Duplicate Entries: Review the planning data for the relevant period and characteristics to identify any duplicate entries. Ensure that each combination of characteristics has a unique entry.
  
  
  Adjust Planning Layout: If the planning layout is causing the issue, consider adjusting it to ensure that it aligns with the data structure. This may involve changing the period categories or the way data is entered.
  
  
  Data Cleanup: If duplicates are found, you may need to delete or adjust the conflicting entries to ensure uniqueness. This can often be done through transaction codes like KP06 (Cost Center Planning) or KP07 (Cost Center Planning - Change).
  
  
  Consult Documentation: Review SAP documentation or notes related to the GK019 error for any specific recommendations or patches that may address the issue.
  
  
  Testing: After making adjustments, test the planning entry again to ensure that the error is resolved.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KP06, KP07, and others related to planning in SAP CO.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP CO for further assistance.