ArgumentException: An element with the same key already exists in the dictionary


#1

Help!
Unity 4.7.0f1
Xcode 7.2
mopub-unity-sdk-v4.7.1

I added:
-MoPubUnity
-ChartboostSupport
-AdMobSupport

Where is the mistake?

ArgumentException: An element with the same key already exists in the dictionary.
System.Collections.Generic.Dictionary`2[System.String,MoPubInternal.Editor.ThirdParty.xcodeapi.PBX.PBXFileReference].Add (System.String key, MoPubInternal.Editor.ThirdParty.xcodeapi.PBX.PBXFileReference value) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Collections.Generic/Dictionary.cs:404)
MoPubInternal.Editor.ThirdParty.xcodeapi.PBXProject.RefreshMapsForGroupChildren (System.String projectPath, System.String realPath, PBXSourceTree realPathTree, MoPubInternal.Editor.ThirdParty.xcodeapi.PBX.PBXGroup parent) (at Assets/MoPub/Editor/ThirdParty/xcodeapi/PBXProject.cs:183)
MoPubInternal.Editor.ThirdParty.xcodeapi.PBXProject.RefreshAuxMaps () (at Assets/MoPub/Editor/ThirdParty/xcodeapi/PBXProject.cs:220)
MoPubInternal.Editor.ThirdParty.xcodeapi.PBXProject.ReadFromStream (System.IO.TextReader sr) (at Assets/MoPub/Editor/ThirdParty/xcodeapi/PBXProject.cs:1124)
MoPubInternal.Editor.ThirdParty.xcodeapi.PBXProject.ReadFromString (System.String src) (at Assets/MoPub/Editor/ThirdParty/xcodeapi/PBXProject.cs:1046)
MoPubInternal.Editor.Postbuild.MoPubPostBuildiOS.PrepareProject (System.String buildPath) (at Assets/MoPub/Editor/Postbuild/MoPubPostBuildiOS.cs:85)
MoPubInternal.Editor.Postbuild.MoPubPostBuildiOS.OnPostprocessBuild (BuildTarget buildTarget, System.String buildPath) (at Assets/MoPub/Editor/Postbuild/MoPubPostBuildiOS.cs:55)
UnityEditor.HostView:OnGUI()

MoPub and AdMob work. Chartboost not work (