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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCM1008 - Row &1 exists more than once ?

  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 fields.
  Use transaction codes like SE16 or SE11 to check the relevant database tables for duplicates.
  
  
  
  Remove or Consolidate Duplicates:
  
  If duplicates are found, you can either remove them or consolidate the data as necessary. Ensure that the remaining data is accurate and complete.
  If the duplicates are valid and should exist, consider adjusting the data model or the processing logic to accommodate them.
  
  
  
  Data Validation: Implement data validation checks before uploading or processing data to catch duplicates early in the process.
  
  
  Adjust Configuration: If the error is due to configuration issues, review the settings in the relevant SAP modules or data transfer processes to ensure they are set up correctly to handle the data.
  
  
  Consult Documentation: Check SAP documentation or support notes related to the specific module or process you are working with for any additional guidance on handling duplicates.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you analyze the data.
  SAP Notes: Search for SAP Notes related to UCM1008 for any specific patches or updates that may address this issue.
  Data Quality Tools: Consider using data quality tools or SAP Data Services to help manage and cleanse data before it is processed in SAP.
  
  By following these steps, you should be able to resolve the UCM1008 error and ensure that your data processing runs smoothly.