Big bug in Roblox Studio, impossible to use the Region Option in Terrain

[DarkBegin]

Hello developers , I found a bug , you can check my gyazo here : Region Error

Since yesterday, I cannot use Region in Terrain, someone has the same bug than me ?

[Generic0riginalName (Gen)]

Check out this topic about the same problem. Hope this helps

[jordonh23]

This topic, about the studio bug is here: Terrain editor breaks when the Regions button is clicked