Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /home/miyatakejitikai/www/reserve/inc/database.inc:25 Stack trace: #0 /home/miyatakejitikai/www/reserve/inc/database.inc(25): mysqli_query() #1 /home/miyatakejitikai/www/reserve/calendar.html(118): Fnc_DBQuery() #2 {main} thrown in /home/miyatakejitikai/www/reserve/inc/database.inc on line 25