subscribing properly to error events on login.
subscribing properly to error events on login.

RiuHDuo/FunctionalReactivePixels,sandyway/FunctionalReactivePixels,ManagerOrganization/FunctionalReactivePixels,ashfurrow/FunctionalReactivePixels,SilenceZhou/FunctionalReactivePixels,hbucius/FunctionalReactivePixels,fxd/FunctionalReactivePixels,LiuShulong/FunctionalReactivePixels