Find My says to sign in even though I'm signed in
I am running 11.0.1 on an m1 MacBook. I can't get Find My to work properly. I am signed in via iCloud. Find My is enabled. Location services are enabled for Find My. I am able to see my devices on the map, but no devices are listed under the "People" or "Devices" tab, no matter what I do. The "People" tab says "Sign in to find your friends and family on the map. Start sharing your location with friends or family members". The "Devices" tab says "Sign in to locate your Mac and other devices. To locate your devices, Find My must have iCloud preferences enabled in System Preferences." What can I do to fix this?
MacBook Air 13″, macOS 11.0