AFK logout window 'OK' button doesn't work

Date & Time: July 11, 4:10 AM
Frequency: Always
World name: Faerie
Character name: Magnus Brighton
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: Paladin, Level 80
Party or solo: Solo
In-game time: I don't know
Area and coordinates: Anywhere
Housing: N/A
Steps:
1. Go AFK, or set your character to AFK status
2. Wait until the auto logout window pops up
3. Click 'OK'. Nothing happens (should log you out).

Not a game-breaking bug by any means and likely not even worth reporting, but I found it funny.