MyBB Community Forums

How can this be turned off?

Generated in 0.1195199 seconds (73.27% PHP / 26.73% MySQL)
MySQL Queries: 11 / Parsing 0.0002770 / Global Parsing Time: 0.1064558
PHP version: 4.4.2 / Server Load: 0.88 / GZip Compression: Enabled

This will only show up for you as an admin, however you can delete it by doing this.
go to Admin CP -> Templates -> Modify / Delete -> *your template* -> footer.
Delete:

<div id="debug"><debugstuff></div>

Were you changing any forum settings at that time? Did it come back at all?