FL is trying to bridge I think (since Nexus was 32 bit only earlier).
"The Fruity Wrapper plugin has caused a critical error while loading its state."
Maybe it's a coincidence but I tried updating to 20.7 and the installer ...
FL effects are causing errors on project load. This project loaded with no issues in v 20.0.3.532. The offending plugins can be selected and added to the mixer once project is loaded. Error message is 'X plugin has caused a critical ...