I would like to give some feedback about ...

From: http://www.checkio.org/mission/binary-count/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.104 Safari/537.36

I have already solved this task. Suddenly I found it unsolved. So, I opened editor to solve it and saw solution code I wrote before. I pressed "Run&Check" button, solution was accepted. I tried to publish it and got error. See attached screenshot.