How To Fix UCM1008 - Row &1 exists more than once

UCM1008 - Overview

• Message type: E = Error

• Message class: UCM1 - Messages for Explicit Values Maintenance

• Message number: 008

• Message text: Row &1 exists more than once

What causes this issue?

Row &V1& is already contained in the explicit 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?

Delete row &V1& in the explicit value table.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UCM1008 - Details

• The SAP error message UCM1008 ("Row &1 exists more than once") typically occurs in the context of data processing, particularly when dealing with data uploads or data transfers in SAP systems. This error indicates that there is a duplicate entry in the dataset being processed, which violates the uniqueness constraint expected by the system.
  
  Cause:
  
  
  Duplicate Data: The most common cause of this error is that the dataset being uploaded or processed contains duplicate rows for a specific key or identifier. This could happen due to:
  
  Errors in data extraction or transformation processes.
  Manual data entry mistakes.
  Issues in the source system that generates the data.
  
  
  
  Incorrect Configuration: Sometimes, the configuration of the data model or the data transfer process may not be set up to handle duplicates correctly.
  
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Review the dataset being processed to identify the duplicate entries. You can use tools like Excel or SQL queries to find duplicates based on the key