I can't finish lesson "Getting data with NSURLSession", I got error when I compiled app

Professor, could you please help me with this:
I got this error: Error: Couldn't finish request: Error Domain=NSURLErrorDomain Code=-1002 "unsupported URL" UserInfo={NSLocalizedDescription=unsupported URL, NSUnderlyingError=0x6000036473c0 {Error Domain=kCFErrorDomainCFNetwork Code=-1002 "(null)"}}

I use this url: [https://api.instagram.com/v1/users/self/media/recent/?access_token=]

the problem has been solved