Fatal error: Uncaught Error: Call to a member function startkey() on null in /var/www/html/enterprise.platomedical.com/appt/functions.php:114 Stack trace: #0 /var/www/html/enterprise.platomedical.com/appt/index.php(15): get_availability(NULL, '08 Dec 18', 4) #1 {main} thrown in /var/www/html/enterprise.platomedical.com/appt/functions.php on line 114