CASE #1: You (or someone else) are using more than $this.View.AuthResponse.DeviceLimit devices and/or browsers at the same time →Sign out of devices and/or browsers you don’t use
CASE #2: You are browsing in private mode →Always log out before closing the browser window
CASE #3: You are refusing connection cookies in your browser settings (or an update has changed your settings) →Change the settings for accepting cookies in your browser.
IN ALL CASES → clicking “Continue on this device” solves the problem
What happens if I click “Continue on this device”?
You will be able to use your account on this device and all other devices will be disabled. You can always reconnect to it within $this.View.AuthResponse.DeviceLimit of devices.
How can I see connected devices?
Go to your personal account and click “Hardware Management”. If you go there after clicking “Continue on this device”, there should only be one.