I know I posted some other problems, but these just happened to me.
First of all, when I place a brick, it immediately destroys itself.
I can't choose from the brick shop thing, because when I choose one and hit done, it always says I don't have any bricks.
I, all of a sudden, start lagging a lot.
When I host a server for about 5 minutes, I get this runtime error thing (I couldn't get a pic of it).
Here's console:
