Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /www/VirtualHosts/numid.uni-mainz.de/include/functions-vars.inc.php:87 Stack trace: #0 /www/VirtualHosts/numid.uni-mainz.de/include/head.inc.php(104): require_once() #1 /www/VirtualHosts/numid.uni-mainz.de/index.php(10): include('...') #2 {main} thrown in /www/VirtualHosts/numid.uni-mainz.de/include/functions-vars.inc.php on line 87