Locked out from GUI- HTTP_REFERER

[klazoid]

I disabled an interface. Right after I got redirected to a page with the following error:

An HTTP_REFERER was detected other than what is defined in System -> Advanced (http://192.168.4.102/graph.php?ifnum=opt1&ifname=NAME&timeint=10&initdelay=4). If not needed, this check can be disabled in System -> Advanced -> Admin.

This is on the latest build with _1 update.

The interface name stated is not the interface I disabled. The error is a link redirecting to logout. When I click on it, I'm (re)redirected to the same error page in a loop. Because of this I'm unable to enter the GUI. Weird part is it's complaining about a HTTP_REFERER in the traffice graphs?

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Short after this post, internet was unavailable. I rebooted pfSense and the LAN nic didn't get an IP assigned although this is a static IP.
From the console I set up this nic again with the same static IP and it worked. The HTTP_REFERER error is also gone. Still no idea why this happend.