If the red text in console won't stop it usually means the game has hit an error it can't move past. As these can vary in reason it's best to approach each issue on an individual basis. It isn't necessarily just about stopping the errors from popping up.
I don't suppose there'd be any chance of adding the wet concrete look to the paint brush. That texture is amazing, even if it's only temporary while we still have it.
On the other hand, the crack-a-book tower and the paper mill are completely amazing. On one step above default difficulty I've been getting 100 paper from each paper roll with ratchet or impact driver as well as around 600xp. Which with that in mind probably needs a nerf of some kind. Getting...