Datenbankfehler aufgetreten!

Array
(
    [timestamp] => 23.01.2021 21:20:21
    [query] => 
    [errorInfo] => SQLSTATE[08004] [1040] Too many connections
    [backtrace] => Array
        (
            [0] => Array
                (
                    [file] => /home/www/z-online.de/html/_includes/db.php
                    [line] => 56
                    [function] => reportError
                    [class] => pdo_db
                )

            [1] => Array
                (
                    [file] => /home/www/z-online.de/html/_prepend.php
                    [line] => 48
                    [function] => __construct
                    [class] => pdo_db
                )

            [2] => Array
                (
                    [file] => /home/www/z-online.de/html/website/stadt.php
                    [line] => 14
                    [function] => include
                    [class] => 
                )

        )

)