How To Fix UPP_LB045 - You have created two identical data columns (columns &1 and &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: UPP_LB - Layout Builder: Messages

• Message number: 045

• Message text: You have created two identical data columns (columns &1 and &2)

What causes this issue?

The ready for input data columns &V1& and &V2& are identical. However,
for manual planning it must be clearly determined which of the two data
columns should be regared as valid. For this reason, identical data
columns are not allowed.

System Response

The system will use the data from column &V2&. The data in column &V1&
will be overwritten by the system.

How to fix this error?

Change one of the columns or mark one of the columns as a
<DS:GLOS.35630D59428ED311AE690060B03C9BBE>comparison column</>.

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 UPP_LB045 - You have created two identical data columns (columns &1 and &2) ?

  The SAP error message UPP_LB045 indicates that there are two identical data columns in your dataset, which is not allowed. This typically occurs in the context of data processing or data uploads, particularly when using SAP's Universal Data Processing (UPP) or similar tools.
  Cause:
  The error arises when the system detects that two columns in your dataset have the same name or are otherwise considered identical in terms of their content or structure. This can happen due to:
  
  Duplicate Column Names: You may have inadvertently created two columns with the same name in your data source.
  Data Import Issues: If you are importing data from an external source, the source file may contain duplicate columns.
  Data Transformation Logic: During data transformation or mapping, the logic may have resulted in the creation of duplicate columns.
  
  Solution:
  To resolve the UPP_LB045 error, you can take the following steps:
  
  
  Identify Duplicate Columns: Review the dataset to identify the columns that are causing the issue. The error message will specify the names of the duplicate columns (represented as &1 and &2).
  
  
  Rename or Remove Duplicates:
  
  If the columns are truly identical and not needed, you can remove one of them.
  If both columns are necessary but serve different purposes, consider renaming one of them to ensure they are unique.
  
  
  
  Check Data Source: If you are importing data from an external source, check the source file for duplicate columns and correct them before importing.
  
  
  Review Data Mapping: If you are using a data transformation or mapping tool, review the mapping logic to ensure that it does not create duplicate columns.
  
  
  Test the Changes: After making the necessary adjustments, re-run the process to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to SAP's official documentation for more details on data processing and error handling.
  Data Quality Checks: Implement data quality checks in your data preparation process to catch duplicate columns before they cause errors.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the UPP_LB045 error and successfully process your data.