#0 /var/www/www.roomzreservation.com/sites/travelo/modules/BookingModule/BookingModule.php(137): WDRPath->getStep(NULL) #1 /var/www/www.roomzreservation.com/sites/travelo/classes/WDREventSystem.class.php(61): BookingModule->display(Object(SystemStartedEvent)) #2 /var/www/www.roomzreservation.com/sites/travelo/classes/WDREventSystem.class.php(50): WDREventSystem::executeCall(Array, Object(SystemStartedEvent)) #3 /var/www/www.roomzreservation.com/sites/travelo/WDRApi.php(32): WDREventSystem::raise(Object(SystemStartedEvent)) #4 {main}