I have the same issue:
Your board's URL: http://snakenet.com/battleboard
Version of phpBB3: 3.0.1
Was this a fresh install or a(n) update/upgrade/conversion (please be specific)? Fresh install.
Was this an install through your host? No, manual.
MODs you have installed: Advanced Quick Reply
When the problem started: Last couple of days
Template(s) used: Briefly, a copy of the prosilver with one or two CSS changes. Now prosilver only.
Language(s) used: Default shipped
Version of PHP used: 5.x
Database and version used: MS SQL 2000 SP4