schoonheidssalons.be has encountered an error.

Array
(
    [0] => Array
        (
            [function] => error_report
            [args] => Array
                (
                    [0] => 2
                    [1] => array_search() expects parameter 2 to be array, null given
                    [2] => /var/www/vhosts/adviesbureaus.be/frontends/public/modules/controllers/v2_controllers.php
                    [3] => 685
                    [4] => Array
                        (
                            [argv] => Array
                                (
                                    [0] => controllers
                                    [1] => sendmail_remove
                                    [2] => 280584
                                )

                            [id] => 280584
                        )

                )

        )

    [1] => Array
        (
            [file] => /var/www/vhosts/adviesbureaus.be/frontends/public/modules/controllers/v2_controllers.php
            [line] => 685
            [function] => array_search
            [args] => Array
                (
                    [0] => 280584
                    [1] => 
                )

        )

    [2] => Array
        (
            [file] => /var/www/vhosts/adviesbureaus.be/frontends/public/common/rewrite_engine.php
            [line] => 17
            [function] => controllers_sendmail_remove
            [args] => Array
                (
                )

        )

    [3] => Array
        (
            [file] => /var/www/vhosts/adviesbureaus.be/frontends/public/index.php
            [line] => 73
            [function] => engine_init
            [args] => Array
                (
                )

        )

)