Fatal error: Uncaught TypeError: mktime(): Argument #1 ($hour) must be of type int, string given in /home/expow/www/functions.php:302
Stack trace:
#0 /home/expow/www/functions.php(302): mktime()
#1 /home/expow/www/conference.php(31): md2php()
#2 /home/expow/www/index.php(89): include('...')
#3 {main}
thrown in /home/expow/www/functions.php on line 302