Fatal error: Uncaught Error: Typed static property Javascript\Javascript::$instance must not be accessed before initialization in /var/www/vhosts/bahnbilder.de/httpdocs/bahnbilder.de/classes/Javascript/Javascript.php:28 Stack trace: #0 /var/www/vhosts/bahnbilder.de/httpdocs/bahnbilder.de/classes/Javascript/Javascript.php(107): Javascript\Javascript::getInstance() #1 /var/www/vhosts/bahnbilder.de/httpdocs/bahnbilder.de/index.php(382): Javascript\Javascript::addJQuery() #2 {main} thrown in /var/www/vhosts/bahnbilder.de/httpdocs/bahnbilder.de/classes/Javascript/Javascript.php on line 28