java - Dumping urban airship and getting unexpected response -

I am using urban airship for my push notification. But many times in my server log, I get the error "java.lang.RuntimeException: unexpcted response" status code: 401 responseBody - authorization is required. (In the image) is there a bug with urban airship? Please any person can guide me properly.

P>

Authorization: Original

In addition to this, their full response code list is here:

401 Unauthorized: authentication information (app and secret) or So wrong Or was missing