HTTP/1.1 400 Bad Request
Server: nginx/0.7.65
Date: Thu, 03 Mar 2011 23:37:51 GMT
Content-Type: text/html;charset=utf-8
Connection: keep-alive
Keep-Alive: timeout=20
Content-Length: 157

{"code":10050,"description":"Invalid number of instances: \"'', App instances not presentApp instances is not a numberInstances must be between 1 and 100\""}