HTTP Error

Hello, when i trying upload any picture into main activity i getting "HTTP Error", but if i uploading picture into profile activity everything goes fine. Where is problem?

What exactly the error you are getting?

What exactly the error you are getting?

Attaching example.

Attachment Link(s):

https://rtcamp.com/wp-content/uploads/rtMedia/topics/56440/2014/01/Example.png

Are there any js console error?