How To Fix AFWGO_MESSAGES420 - Key figure values already exist for benchmark &1, key fig.&2, from &3-&4

AFWGO_MESSAGES420 - Overview

• Message type: E = Error

• Message class: AFWGO_MESSAGES - Messages for Development Class AFWGO

• Message number: 420

• Message text: Key figure values already exist for benchmark &1, key fig.&2, from &3-&4

What causes this issue?

Key figure values were already stored for benchmark &V1&, key figure
<(>&<)>V2&, evaluation period &V3& to &V4&. No changes were made to
these key figure values.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AFWGO_MESSAGES420 - Key figure values already exist for benchmark &1, key fig.&2, from &3-&4 ?

  The SAP error message AFWGO_MESSAGES420 indicates that there are already existing key figure values for a specified benchmark and key figure within a defined time period. This error typically arises in the context of planning or forecasting scenarios in SAP, particularly when working with the SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) modules.
  
  Cause:
  The error occurs when you attempt to enter or upload key figure values that overlap with existing values for the same benchmark and key figure within the specified date range. This can happen due to:
  
  Duplicate data entries.
  An attempt to overwrite existing data without the necessary permissions or settings.
  Incorrect configuration of the planning area or key figures.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Data: Review the existing key figure values for the specified benchmark and key figure within the date range mentioned in the error message. You can do this