How To Fix SALV_X_API018 - A column with name &1 has already been defined

SALV_X_API018 - Overview

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 018

• Message text: A column with name &1 has already been defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API018 - A column with name &1 has already been defined ?

  The SAP error message SALV_X_API018 indicates that there is an attempt to define a column in an ALV (ABAP List Viewer) grid that has already been defined. This typically occurs when you are trying to add a column to an ALV table that already exists in the column definitions.
  
  Cause:
  The error is caused by:
  
  Duplicate Column Definition: You are trying to add a column with a name that has already been defined in the ALV grid.
  Incorrect Logic in Code: The logic in your ABAP code may be attempting to define the same column multiple times due to loops or incorrect conditions.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Column Definitions: Review your code where you define the columns for the ALV grid. Ensure that each column is defined only once. Look for any loops or conditions that might be causing the same column to be defined multiple times.
  
  
  Use Unique Names: