Fatal error: Uncaught mysqli_sql_exception: Unknown column 'day_of_week' in 'WHERE' in /htdocs/includes/functions.php:100 Stack trace: #0 /htdocs/includes/functions.php(100): mysqli_query(Object(mysqli), 'SELECT COUNT(*)...') #1 /htdocs/includes/class-golf-reservation-calendar.php(417): db_fetch_one('SELECT COUNT(*)...') #2 /htdocs/public/daily-schedule.php(35): Golf_Reservation_Calendar->get_day_status('2025-07-08') #3 {main} thrown in /htdocs/includes/functions.php on line 100