How To Fix UCFE021 - Two columns or rows have the same name

SAP Error Message - Details

• Message type: E = Error

• Message class: UCFE - Messages for Data Entry Layouts

• Message number: 021

• Message text: Two columns or rows have the same name

What causes this issue?

In a predefined fixed structure, you created two or more columns or
rows with the same name. This name needs to uniquely identify a column
or row and therefore must only occur once.

System Response

The changes will not be saved.

How to fix this error?

Change the names of the columns or rows.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCFE021 - Two columns or rows have the same name ?

  The SAP error message UCFE021 indicates that there is a conflict due to two columns or rows having the same name in a data structure, such as a table or a report. This can occur in various contexts, such as when working with SAP BW (Business Warehouse), SAP HANA, or other SAP applications that involve data modeling or reporting.
  Cause:
  
  Duplicate Names: The most common cause of this error is that two columns or rows in a data model, report, or query have been assigned the same name. This can happen during the design phase when creating queries, reports, or data models.
  Data Source Issues: If you are pulling data from multiple sources, there may be overlapping names in the datasets being combined.
  Inconsistent Naming Conventions: If naming conventions are not followed consistently, it can lead to confusion and duplication.
  
  Solution:
  
  Identify Duplicates: Review the data model, query, or report to identify where the duplicate names are occurring. This may involve checking the definitions of the columns or rows in the relevant data source or model.
  Rename Columns/Rows: Change the names of the conflicting columns or rows to ensure that each name is unique. This can often be done in the data modeling tool or query designer.
  Check Data Sources: If the issue arises from combining multiple data sources, ensure that the names are unique across all sources. You may need to use aliases or rename fields in the data source.
  Test Changes: After making the necessary changes, test the report or query again to ensure that the error has been resolved.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module you are working with (e.g., SAP BW, SAP HANA) for guidelines on naming conventions and data modeling best practices.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  Debugging Tools: Use debugging tools available in SAP to trace the source of the error and understand the context in which it occurs.
  
  By following these steps, you should be able to resolve the UCFE021 error and ensure that your data structures are correctly configured without naming conflicts.