Objective C Code

I am new in this platform. I need some help. Already some third party developed the code long back. right now we are testing for that.. so when we are compiling the Xcode in IOS simulator. we are facing some issues. below I mention that.

<<< 2017-02-16 10:27:59.220 iQuestionSurveyApp[3460:907] Hello Console 1
2017-02-16 10:27:59.221 iQuestionSurveyApp[3460:907] foo bar foo bar
2017-02-16 10:27:59.222 iQuestionSurveyApp[3460:907] url http://ift.tt/2lixb0w ddfdf sdfsdfsdf sdf &email_id=xxxxx@gmail.com
2017-02-16 10:27:59.223 iQuestionSurveyApp[3460:907] Hello Console 5
2017-02-16 10:27:59.228 iQuestionSurveyApp[3460:907] error
2017-02-16 10:27:59.727 iQuestionSurveyApp[3460:907] URL Testing:
2017-02-16 10:27:59.727 iQuestionSurveyApp[3460:907] email:xxxx@gmail.com
2017-02-16 10:27:59.728 iQuestionSurveyApp[3460:907] email:{
}
2017-02-16 10:27:59.729 iQuestionSurveyApp[3460:907] URL request: <NSMutableURLRequest http://ift.tt/2mo8h4t;
2017-02-16 10:27:59.729 iQuestionSurveyApp[3460:907] URL queryssss: iquestion1://com.ilinkresearch.iQApp
2017-02-16 10:27:59.730 iQuestionSurveyApp[3460:907] URL scheme:iquestion1
2017-02-16 10:27:59.730 iQuestionSurveyApp[3460:907] URL query: (null)
2017-02-16 10:28:01.149 iQuestionSurveyApp[3460:1103] Error Error Domain=kCFErrorDomainCFNetwork Code=303 "The operation couldn’t be completed. (kCFErrorDomainCFNetwork error 303.)" UserInfo=0x8da1720 {NSErrorFailingURLKey=http://ift.tt/2modNnS, NSErrorFailingURLStringKey=http://ift.tt/2liF4TL, Thursday, February 16, 2017 10:28 AM