How To Fix UA_SM1002 - Column &2 already exists in type &1

UA_SM1002 - Overview

• Message type: E = Error

• Message class: UA_SM1 - Structure Maintenance

• Message number: 002

• Message text: Column &2 already exists in type &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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UA_SM1002 - Details

• The SAP error message UA_SM1002, which states "Column &2 already exists in type &1," typically occurs during the development or modification of data dictionary objects, such as tables or views, in the ABAP Dictionary (SE11). This error indicates that there is an attempt to add a column to a table or structure that already has a column with the same name.
  
  Cause:
  
  Duplicate Column Definition: The most common cause is that the column you are trying to add already exists in the specified table or structure.
  Incorrect Data Model Changes: If you are modifying a data model and inadvertently try to redefine or duplicate an existing column.
  Transport Issues: Sometimes, if changes are transported from one system to another, there may be inconsistencies that lead to this error.
  
  
  Solution:
  
  
  Check Existing Columns: 
  
  Go to the Data Dictionary (SE11) and check the structure or table definition for the specified type (&1) to see if the column (&2)