[atlas] Bug on credit expenditure?

Hi:

I've created 12 one-off traceroute measurements today, each measurement
requesting 38 probes. According to the results page, the number of
credits per measurement is 60, at 38 probes, we got 2280 credits.

Any further attempt to create new measurements returned error 104:
"Executing this measurement request would violate your maximum daily
spending limit of 2200000.0 credits" Unless my math is horribly wrong,
or the message is incorrect, I'm well under the 2.2 million credits
daily limit.

Is there a bug somewhere that's miscounting the usage of credits? I have
enough credits in my account to pamper myself with measurements :)

Cheers,
-- 
Sebastian Castro
Technical Research Manager
.nz Registry Services (New Zealand Domain Name Registry Limited)
desk: +64 4 495 2337
mobile: +64 21 400535