Big Sur Update Issues?

Upgrading from Catalina to Big Sur. It read verbose for 10 seconds then apple logo appears, gets about 1/8 done and this screen pops up. Restarts. I am on open core v0.6.3

https://preview.redd.it/uu2bnhtqq3061.jpg?width=2876&format=pjpg&auto=webp&s=92b2efa86911f5ee0b192f5b5271f48ae8b19b15

Dell XPS 9560 15 4K