Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, bool given in /srv/www/vhosts/numid.hi.uni-stuttgart.de/object_print.php:190
Stack trace:
#0 /srv/www/vhosts/numid.hi.uni-stuttgart.de/object_print.php(190): implode('', false)
#1 {main}
thrown in /srv/www/vhosts/numid.hi.uni-stuttgart.de/object_print.php on line 190