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

GK019 - Overview

• 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