Facebook SDK just blown up Unity entirely!

I made a mistake to use Unity beta version sadly!

I import Facebook SDK two times and i just realize this sdk blown up Unity.Unity dont recognize even UnityEngine namespace.I am seeing 500 errors just after facebook sdk import.Is this very hard to test very important sdks before launching betas?

What errors do you get exactly?

Beta versions are prone to errors. If you don’t like stumbling over potential errors, then please don’t use them.
As the Facebook SDK belongs to… well… Facebook, it’s their responsibility.