Reference Rewriter found some errors while running with command --target="Temp\StagingArea\
Reference rewriter: Error: type WinRTLegacy.Text.Encoding doesn't exist in target framework. It is referenced from App42-Unity3D-SDK-WinRT-4.0.1.dll at System.String com.shephertz.app42.paas.sdk.csharp.util.Base64::EncodeTo64(System.String). UnityEngine.Debug:LogError(Object) PostProcessWinRT:RunReferenceRewriter() (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:581) PostProcessWinRT:Process() (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:126) UnityEditor.HostView:OnGUI()
Reference rewriter: Error: type System.Collections.Specialized.IOrderedDictionary doesn't exist in target framework. It is referenced from App42-Unity3D-SDK-WinRT-4.0.1.dll at App42Json.IJsonWrapper. UnityEngine.Debug:LogError(Object) PostProcessWinRT:RunReferenceRewriter() (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:581) PostProcessWinRT:Process() (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:126) UnityEditor.HostView:OnGUI()
Reference rewriter: Error: type System.IO.FileMode doesn't exist in target framework. It is referenced from App42-Unity3D-SDK-WinRT-4.0.1.dll at System.Void com.shephertz.app42.paas.sdk.csharp.connection.RESTConnectorWWW::ExecuteMultipart(System.String,System.String,System.Collections.Generic.Dictionary`2 ,System.Collections.Generic.Dictionary`2,System.Collections.Generic.Dictionary`2 ,System.Collections.Generic.Dictionary`2,System.String,System.String,com.shephertz.app42.paas.sdk.csharp.App42CallBack). UnityEngine.Debug:LogError(Object) PostProcessWinRT:RunReferenceRewriter() (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:581) PostProcessWinRT:Process() (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:126) UnityEditor.HostView:OnGUI()
"unity version 5.4.2"