Starcraft 2 wnt let me log in

cannot connect to when trying to load Starcraft. Says under maintenance for last 24 hours

Hey, HELLRAISER! Are you still experiencing issues with connecting to SC2?

There been a recent issue with SC2, where the region can’t be changed or it states “version mismatch” upon logging in. If you are running into similar problems, could you try the suggestions on this post?