Help / Manage Inventory / Create and manage listings / Error Code Explanations / 6000 Series Error Codes / Error 6000 / Error 6000: ColumnName Is Duplicated
Column ColumnName is present in the file more than once. Please remove the additional columns in your file and upload it again.
This error occurs when you have more than one column in your file with the same name. Common reasons why this may be the case include: