Well, I've gone and done it now.
I was playing around with debugging info and now when go to:
Debugging > Logs
It produces:
*Message*can't cast [302 ms] string to a number value*Stacktrace*The Error Occurred in
/admin/debugging.logs.list.cfm: line 117
called from /admin/debugging.logs.cfm: line 156
called from /admin/web.cfm: line 492