The CSRF protection key did not match - Error code: 2S119/1

[Marius]

One of my administrators received the following error message when trying to log on to the forum:

 

The CSRF protection key did not match

Error code: 2S119/1

What this means?

[Kevin Carwile]

Likely just a temporary security check error due to a caching mismatch. If it just popped up that one time, I wouldnt worry about it.

Either that, or your administrator is an alien robot trying to hack into your site and he got caught by the Cyborg & Spaceinvader Resistance Force (C.S.R.F). Prolly not though.