How To Fix /GSINS/ER018 - Customizing is not unique for &1, &2, &3 in /GSINS/ER_ETL_FI for &4

/GSINS/ER018 - Overview

• Message type: E = Error

• Message class: /GSINS/ER -

• Message number: 018

• Message text: Customizing is not unique for &1, &2, &3 in /GSINS/ER_ETL_FI for &4

Self-Explanatory Message

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/GSINS/ER018 - Details

• The SAP error message /GSINS/ER018 Customizing is not unique for &1, &2, &3 in /GSINS/ER_ETL_FI for &4 typically indicates that there is a conflict or ambiguity in the customizing settings for the specified parameters in the context of the /GSINS/ER_ETL_FI module. This error usually arises when the system finds multiple entries that match the criteria defined by the parameters, leading to a lack of uniqueness.
  
  Cause:
  
  Duplicate Entries: There may be multiple customizing entries in the relevant tables for the specified parameters (&1, &2, &3, and &4), which the system cannot resolve.
  Incorrect Configuration: The configuration settings may not have been set up correctly, leading to overlapping or conflicting entries.
  Missing or Incorrect Keys: The keys used to identify the customizing settings may be incomplete or incorrect, causing the system to find multiple matches.
  
  
  Solution:
  
  
  Check Customizing Entries: 
  
  Go to the relevant customizing transaction (usually in SPRO) and check the entries for the parameters indicated in