Solutions
-
Dercar32's post in LSPD Plugin crashes on game load on new install, but game otherwise works was marked as the answerOkay, so I was using a bad dot net mod. I used the nightly build from Github and the game works great. For anyone else who ends up here, make sure you always use the Scripthook Dot Net from this Github repository, not anywhere else:
https://github.com/scripthookvdotnet/scripthookvdotnet-nightly/releases