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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CUMTX270 - At least two lines in the table contain the same values ?

  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 the duplicate entries. You can run a query to find duplicates based on the fields that are supposed to be unique.
  
  
  
  Remove or Modify Duplicates: 
  
  Once you have identified the duplicates, you can either delete the duplicate entries or modify them to ensure that all entries are unique.
  
  
  
  Check Data Entry: 
  
  Ensure that the data being entered does not already exist in the table. Implement checks in the user interface to prevent users from entering duplicate values.
  
  
  
  Review Custom Code: 
  
  If the error occurs in a custom program or report, review the code to ensure that it properly checks for existing records before attempting to insert new ones.
  
  
  
  Consult Documentation: 
  
  Check SAP documentation or notes related to the specific table or transaction to see if there are any known issues or additional constraints that need to be considered.
  
  
  
  Related Information:
  
  Transaction Codes: SE16 (Data Browser), SE11 (Data Dictionary), SE80 (Object Navigator) can be used to analyze the table structure and data.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Data Model: Understanding the data model and relationships between tables can help in identifying why duplicates are occurring.
  
  By following these steps, you should be able to resolve the CUMTX270 error and ensure that your data remains consistent and adheres to the required constraints.