Meaning
Your authentication session timed out or was invalidated.
Causes
- Inactivity timeout
- Sign-in on another device invalidated the session
- Security policy requires re-authentication
Fixes
- Sign in again
- Save work before the session times out
- Check device or browser time settings
Example
Your session has expired. Please sign in again.
FAQ
- Is this an error?
Not usually. It is a normal security timeout. - Can I extend session length?
Some services allow it in settings.
Contact
Contact support if sessions expire unusually quickly.