Fatal error: Uncaught TypeError: date(): Argument #2 ($timestamp) must be of type ?int, string given in /var/www/cubing-tw.net/event/function/function.php:56
Stack trace:
#0 /var/www/cubing-tw.net/event/function/function.php(56): date()
#1 /var/www/cubing-tw.net/event/complist.php(136): datetime_format()
#2 /var/www/cubing-tw.net/event/complist.php(103): Create_List()
#3 /var/www/cubing-tw.net/event/index.php(84): include('...')
#4 {main}
thrown in /var/www/cubing-tw.net/event/function/function.php on line 56