Add unityARkit project with IOS project

Hi I want to add my unity ARkit project with my IOS project . But i got this error every time . ![**typeinfo for boost::archive::detail::basic_pointer_iserializer", referenced from unity xcode]**[1] i have combined two project without arkit and it works. Each project run individually also. I have updated ARKit and IOS 11 with Xcode Beta 5. Here is the error [1]: /storage/temp/102303-d3080acab1a2182142fde63ecf2079bca05c9da05510b18786.jpg