Error Message upon game start. Cannot play.

I just bought Terarria on steam and every time I try to start it I get the following message:

7/16/2017 7:01:43 AM
System.Threading.SynchronizationLockException: Object synchronization method was called from an unsynchronized block of code.
at Terraria.IO.Preferences.Save(Boolean createFile)
at Terraria.Main.SaveSettings()
at Terraria.Main.OpenSettings()
at Terraria.Main.ClientInitialize()
at Terraria.Main.Initialize()
at Microsoft.Xna.Framework.Game.RunGame(Boolean...

Error Message upon game start. Cannot play.