Cannot Place Order

[antonydu-cd]

1, vendor/riskified/magento2new/Model/Observer/OrderSaveAfter.php line 60

class Riskified\Decider\Model\Observer\Order not exist

2, vendor/riskified/magento2new/Model/Observer/OrderSaveAfter.php line 60
undefine $this->_registry

[MikeWilkie]

Maybe could reply to this? Not exactly confidence-inspiring seeing a 6-month old issue titled "Cannot Place Order"—especially given Riskified's history of bug-ridden Magento extensions.