Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/functions/functions.php on line 19037

Fatal error: Uncaught Error: Undefined constant "time_start" in /var/www/html/functions/functions.php:3072 Stack trace: #0 /var/www/html/availability_details.php(224): check_available_time_slots() #1 {main} thrown in /var/www/html/functions/functions.php on line 3072