Line 64  Error Query [alter table dbo.site ADD [store_surcharge] [int] NULL]<br><br>Array
(
    [0] => Array
        (
            [0] => 42S21
            [SQLSTATE] => 42S21
            [1] => 2705
            [code] => 2705
            [2] => [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Column names in each table must be unique. Column name 'store_surcharge' in table 'dbo.site' is specified more than once.
            [message] => [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Column names in each table must be unique. Column name 'store_surcharge' in table 'dbo.site' is specified more than once.
        )

)