Fatal error: Uncaught TypeError: Argument 1 passed to DogOnTheCouch\FrontCalculations::get_order_paid_amount() must be of the type int, null given, called in /home/kyprexxo/public_html/controls/review.reservation.controler.php on line 166 and defined in /home/kyprexxo/public_html/classes/FrontCalculations.php:171 Stack trace: #0 /home/kyprexxo/public_html/controls/review.reservation.controler.php(166): DogOnTheCouch\FrontCalculations->get_order_paid_amount(NULL) #1 /home/kyprexxo/public_html/controls/reservation.controler.php(37): require_once('/home/kyprexxo/...') #2 /home/kyprexxo/public_html/controls/views.controler.php(147): require_once('/home/kyprexxo/...') #3 /home/kyprexxo/public_html/bind.php(9): require_once('/home/kyprexxo/...') #4 /home/kyprexxo/public_html/index.php(3): require_once('/home/kyprexxo/...') #5 {main} thrown in /home/kyprexxo/public_html/classes/FrontCalculations.php on line 171