I have this issue as well, and it only occurs once you unlock a certain amount of pieces. Sometimes I can just revert to an earlier save and the crash won't happen.
Preface: I am aware there are at least 2 different discussions regarding the topic which I am about to mention(here and here). However, I deemed that a creation of a new thread is appropriate since I have quite a few things to say/add.
The main problem I see is that the new system isn't a...