How To Fix CUMTX270 - At least two lines in the table contain the same values

CUMTX270 - Overview

• Message type: E = Error

• Message class: CUMTX - Variant Configuration - Master Data Maintenance

• Message number: 270

• Message text: At least two lines in the table contain the same values

What causes this issue?

You want to display the table as a decision table. You can only do this
if each value combination occurs in only one line of the table.

System Response

The system found a value combination that occurs in two lines of the
table, so decision table format is not possible.

How to fix this error?

Delete the table lines with the same value combination.

Error message extract from SAP system. Copyright SAP SE.

CUMTX270 - Details

• The SAP error message CUMTX270 indicates that there are at least two lines in a table that contain the same values, which violates a uniqueness constraint. This error typically occurs during data entry or when trying to save data in a table that requires unique entries for certain fields.
  
  Cause:
  
  
  Duplicate Entries: The most common cause of this error is that the system has detected duplicate entries in a table where unique values are required. This could happen if:
  
  The user is trying to enter a record that already exists.
  Data was imported or uploaded into the system that contains duplicates.
  There is a programming error in a custom report or transaction that is not handling duplicates correctly.
  
  
  
  
  Configuration Issues: Sometimes, the configuration of the table or the data model may not be set up correctly, leading to unexpected duplicates.
  
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use transaction codes like SE16 or SE11 to view the table in question and identify