I've been having the same issue after installing a new GPU and RAM upgrades. Discovered I had a bad RAM stick and that solved my issue until it suddenly struck again after about an hour of playing. Same errors. Not sure how to fix this. It's almost like clockwork.

ASUS Rog Strix B450F MB
Ryzen 5 3600 CPU
ASUS Rog Strix RX580 GPU
ASUS Rog Strix 650w PSU
32GB RAM - HyperX Fury