src/Payum/Core/Registry/FallbackRegistry.php
public function getGatewayFactory($name)
    {
        try {
            return $this->registry->getGatewayFactory($name);
        } catch (InvalidArgumentException $e) {
            return $this->fallbackRegistry->getGatewayFactory($name);
        }
    }
public function getGatewayFactory($name)
    {
        try {
            return $this->registry->getGatewayFactory($name);
        } catch (InvalidArgumentException $e) {
            return $this->fallbackRegistry->getGatewayFactory($name);
        }
    }
{@inheritDoc}