I responded to Niccole above about resetting the camera. At least that worked for me, and could be considered as an option to try before sending the camera back to Canon.
Thanks for your posting. I was traveling and didn't have the benefit of this forum when I upgraded from V1.3 to V1.5. The R5 became very glitchy. It was awful - it locked up/shut off/came back many times per hour, Animal Eye wouldn't track and showed...