Uncaught exception

Error Object
(
    [message:protected] => Call to undefined method Forum_SimpleComments_Budgetair::latest_comments()
    [string:Error:private] => 
    [code:protected] => 0
    [file:protected] => /www/budgetflightfinder/www/airline.php
    [line:protected] => 199
    [trace:Error:private] => Array
        (
            [0] => Array
                (
                    [file] => /www/budgetflightfinder/www/airline.php
                    [line] => 28
                    [function] => do_center_column_comments
                )

        )

    [previous:Error:private] => 
)