Hello,

We've unfortunately identified a bug with the latest update (1.2.177126)

There is an issue that happens when there are some types of exhibit in the inventory (items with multiple parts like the Roach animatronics), and after this has happens the game won't let you back into the level save.

The good news is that we've fixed the problem and once we've released the update, you'll be able to continue your save. 

​This fix is now on public beta, please see info here: https://steamcommunity.com/app/2185060/discussions/1/603024176009222875/

 Many thanks, Jo