What would cause me to log out?

[Katrina]

When on a different Xenforo forum, what would cause me to log out without my doing it on purpose?

 

[zappaDPJ]

When on a different Xenforo forum, what would cause me to log out without my doing it on purpose?

2FA or possibly an admin forced change of password reset which would require an add-on (I think).

 

[PGen98]

2FA or possibly an admin forced change of password reset which would require an add-on (I think).

Agreed, or a cookie issue.

 

[Demon_skeith]

Your cookie for that site either expired, removed or the admin did something.