AJAX Autocomplete username in PM box not working.
 

I've tried search and have found a few things but nothing that solved my problem or was exactly like mine. As the title says, my auto-complete for usernames when you start to type their name in (the part where it auto-suggests names then) is not working anymore. It worked about 5 days ago when I last used it when sending out a PM to 12 people. Sometime between now and then, it quit working.

• I have not changed any settings in my forum.
• I have not uploaded any new files.
• I have not added any new plugins.
• I have tried different browsers.
• I have tried clearing my cache/cookies/etc.
• DHTML Menus are enabled.

So here I am now, asking you folks what you think it would possibly be..

I am running vB 3.8.2