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Question by grazywolfcy · Sep 28, 2017 at 07:08 AM · errorunityeditorxcodeapplelinker

Apple Mach-O Linker Error when Building

Hello,

I am experiencing a rather frustrating problem when attempting to archive my project.. I get about 8 different Mach-O linker errors, and the warning above it gives me "Undefinded symbols for architecture arm64". I am now running unity 2017.1.1.f1 (and Xcode9`enter code here`). Am I incorrect? or is this an entirely different problem? Thank you So much for all your help! The xcode error log is as follows:

  "__RequestReview", referenced from:
       _iOSNativeUtility__RequestReview_m1896333161 in Bulk_Assembly-CSharp_0.o
       _iOSNativeUtility_RequestReview_m2747875467 in Bulk_Assembly-CSharp_0.o
       _MobileNativeRatingRequest_DoRequestRating_m2903164697 in Bulk_Assembly-CSharp_0.o
      (maybe you meant: _iOSNativeUtility__RequestReview_m1896333161)
   "__ExportGif", referenced from:
       _iOSNativeGif__ExportGif_m2741504153 in Bulk_Assembly-CSharp_0.o
      (maybe you meant: _iOSNativeGif__ExportGif_m2741504153)
   "__Share", referenced from:
       _iOSNativeShare__Share_m942744585 in Bulk_Assembly-CSharp_0.o
      (maybe you meant: _iOSNativeShare__Share_m942744585)
   "__IsBuiltinRequestReviewAvail", referenced from:
       _iOSNativeUtility__IsBuiltinRequestReviewAvail_m1978195582 in Bulk_Assembly-CSharp_0.o
       _iOSNativeUtility_CanUseBuiltinRequestReview_m411868138 in Bulk_Assembly-CSharp_0.o
       _MobileNativeRatingRequest_DoRequestRating_m2903164697 in Bulk_Assembly-CSharp_0.o
      (maybe you meant: _iOSNativeUtility__IsBuiltinRequestReviewAvail_m1978195582)
   "__Alert", referenced from:
       _iOSNativeAlert__Alert_m3774758792 in Bulk_Assembly-CSharp_0.o
      (maybe you meant: _iOSNativeAlert__Alert_m3774758792, _iOSNativeAlert__AlertWithThreeButtons_m1214486776 , _iOSNativeAlert__AlertWithTwoButtons_m3903926792 )
   "__AlertWithTwoButtons", referenced from:
       _iOSNativeAlert__AlertWithTwoButtons_m3903926792 in Bulk_Assembly-CSharp_0.o
      (maybe you meant: _iOSNativeAlert__AlertWithTwoButtons_m3903926792)
   "__AlertWithThreeButtons", referenced from:
       _iOSNativeAlert__AlertWithThreeButtons_m1214486776 in Bulk_Assembly-CSharp_0.o
      (maybe you meant: _iOSNativeAlert__AlertWithThreeButtons_m1214486776)
 ld: symbol(s) not found for architecture arm64
 clang: error: linker command failed with exit code 1 (use -v to see invocation)
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Answer by grazywolfcy · Oct 01, 2017 at 10:09 AM

Problem Solved . I Just downgrade xCode to 8.3.3v and rebuild Project on clean folder .

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