The game crashes when entering and (quickly) exiting the lab right after loading the game, while the translation dictionaries were still being loaded (not sure if that's relevant though).
Screenshot of the crash: https://imgur.com/laHCc8h
My save file: https://we.tl/t-4xzkXNFgan

I'll have a look when I get home. Hopefully translation dictionaries aren't causing problems, don't see why they should be.

I had the same issue with the original "blueprint lab designer" mod, but yours mentions SE (which I have installed in this save game), so I thought it would work just fine. Apparently the issue remains, but isn't always reproducable.
I was able to enter and exit the lab most of the time though.
Maybe it's relevant, or maybe not, but at the time I had an "outpost station" blueprint in my hand when entering & exiting the lab.
Also, this issue occurred after the bot freeze already happend.

I'm looking at it now. If it's a bug with the original blueprint lab mod, it's probably a bug with this one. The only change I made in regards to SE in the mod is that you can destroy items in the lab now with right-click (you couldn't before, due to SE changes to sandbox players).