How to fix clang error: symbol(s) not found for architecture arm64

Hi,
I been trying to build an app through Xcode and I keep getting this error: symbol(s) not found for architecture arm64. I just built another app with the same setup using unity 2018.3.2.f1 and I did not get this issue. I have Unity IAP and Admob plugins within this build. Can some one please point me in the right direction on how to fix this clang error issue? I am using Xcode 10.1 btwenter ld: warning: arm64 function not 4-byte aligned: _unwind_tester from /Users/derrickdandin/Desktop/Jumpy_Animal_Friends - iOS/Jumpy_Jump_Friends_iOS/Libraries/libiPhone-lib.a(unwind_test_arm64.o) Undefined symbols for architecture arm64: "_VideoPlayerPluginGetCurrentSeekPercent", referenced from: _MediaPlayerCtrl_VideoPlayerPluginGetCurrentSeekPercent_m33BEF11BEC3ECF2CA7749FDEB8053842617D5263 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginGetCurrentSeekPercent_m33BEF11BEC3ECF2CA7749FDEB8053842617D5263) "_VideoPlayerPluginSetAudioTrack", referenced from: _MediaPlayerCtrl_VideoPlayerPluginSetAudioTrack_m3B5D1193719F527FE2B4191D359CA7CC415B869C in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginSetAudioTrack_m3B5D1193719F527FE2B4191D359CA7CC415B869C) "_VideoPlayerPluginSetSpeed", referenced from: _MediaPlayerCtrl_VideoPlayerPluginSetSpeed_m544F96C52FD70D09738A3EB448DF5FEF3499D365 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginSetSpeed_m544F96C52FD70D09738A3EB448DF5FEF3499D365) "_VideoPlayerPluginFinish", referenced from: _MediaPlayerCtrl_VideoPlayerPluginFinish_mA49DFCE2D3998099D5B6BA6071D83CDA59F0C65E in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginFinish_mA49DFCE2D3998099D5B6BA6071D83CDA59F0C65E) "_VideoPlayerPluginSetTexture", referenced from: _MediaPlayerCtrl_VideoPlayerPluginSetTexture_mFA4886828CE828667D4C37ABC4F4077848251AD0 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginSetTexture_mFA4886828CE828667D4C37ABC4F4077848251AD0) "_VideoPlayerPluginStopVideo", referenced from: _MediaPlayerCtrl_VideoPlayerPluginStopVideo_m12AD66699F6E4976AF0A73A9BEEA15A3B19C4BC7 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginStopVideo_m12AD66699F6E4976AF0A73A9BEEA15A3B19C4BC7) "_VideoPlayerPluginCurTimeSeconds", referenced from: _MediaPlayerCtrl_VideoPlayerPluginCurTimeSeconds_m06A7AFEA2189163B334238B75674A76F9B4D6845 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginCurTimeSeconds_m06A7AFEA2189163B334238B75674A76F9B4D6845) "_VideoPlayerPluginSeekToVideo", referenced from: _MediaPlayerCtrl_VideoPlayerPluginSeekToVideo_mE8CC13E1AF6EE2D83DEE456CE70F21D9763DDDCC in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginSeekToVideo_mE8CC13E1AF6EE2D83DEE456CE70F21D9763DDDCC) "_VideoPlayerPluginRewindVideo", referenced from: _MediaPlayerCtrl_VideoPlayerPluginRewindVideo_mA26C3B76B74B103A4A43813EFFEB66DF1C91C2E1 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginRewindVideo_mA26C3B76B74B103A4A43813EFFEB66DF1C91C2E1) "_VideoPlayerPluginResumeVideo", referenced from: _MediaPlayerCtrl_VideoPlayerPluginResumeVideo_m7D33CEAE27D87DA22B1B3364FB9C456EE58D2DD7 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginResumeVideo_m7D33CEAE27D87DA22B1B3364FB9C456EE58D2DD7) "_VideoPlayerPluginSetVolume", referenced from: _MediaPlayerCtrl_VideoPlayerPluginSetVolume_m16B65D08C90C128FD82A8D6A9F0CD6190C7B3ECE in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginSetVolume_m16B65D08C90C128FD82A8D6A9F0CD6190C7B3ECE) "_VideoPlayerPluginError", referenced from: _MediaPlayerCtrl_VideoPlayerPluginError_m19CDF508403F3828DF714032DFFADA280BFD0107 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginError_m19CDF508403F3828DF714032DFFADA280BFD0107) "_VideoPlayerPluginIsPlaying", referenced from: _MediaPlayerCtrl_VideoPlayerPluginIsPlaying_m57B48F3CC9EBD56D2B151FF3C44679BE160D626C in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginIsPlaying_m57B48F3CC9EBD56D2B151FF3C44679BE160D626C) "_VideoPlayerPluginGetAudioTrack", referenced from: _MediaPlayerCtrl_VideoPlayerPluginGetAudioTrack_m102B7410AAC4851718AD27C380AF78610E7D29CA in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginGetAudioTrack_m102B7410AAC4851718AD27C380AF78610E7D29CA) "_VideoPlayerPluginDurationSeconds", referenced from: _MediaPlayerCtrl_VideoPlayerPluginDurationSeconds_mBA1A824E1A9FCFA82ACAEA3B987E446618366E89 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginDurationSeconds_mBA1A824E1A9FCFA82ACAEA3B987E446618366E89) "_VideoPlayerPluginPlayVideo", referenced from: _MediaPlayerCtrl_VideoPlayerPluginPlayVideo_m21557D326D89BB4038C78162FBF4BE333357D13F in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginPlayVideo_m21557D326D89BB4038C78162FBF4BE333357D13F) "_VideoPlayerPluginCurFrameTexture", referenced from: _MediaPlayerCtrl_VideoPlayerPluginCurFrameTexture_m6E9884E2FBFBA0EECB1502F4348E8CF0EBB045EE in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginCurFrameTexture_m6E9884E2FBFBA0EECB1502F4348E8CF0EBB045EE) "_VideoPlayerPluginLoadVideo", referenced from: _MediaPlayerCtrl_VideoPlayerPluginLoadVideo_m9BBB66F654483B414D09FF6CD3EF0B324F209CA5 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginLoadVideo_m9BBB66F654483B414D09FF6CD3EF0B324F209CA5) "_VideoPlayerPluginPlayerReady", referenced from: _MediaPlayerCtrl_VideoPlayerPluginPlayerReady_m1BBFA30E280506830C6B7CABB5719B80D2A5BD17 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginPlayerReady_m1BBFA30E280506830C6B7CABB5719B80D2A5BD17) "_VideoPlayerPluginPauseVideo", referenced from: _MediaPlayerCtrl_VideoPlayerPluginPauseVideo_m365AED7AE6922CE4D3BF11BA3A3AB3E45BA55D2E in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginPauseVideo_m365AED7AE6922CE4D3BF11BA3A3AB3E45BA55D2E) "_VideoPlayerPluginExtents", referenced from: _MediaPlayerCtrl_VideoPlayerPluginExtents_m02D4C687310EB53549AC6B13591894CC76048D92 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginExtents_m02D4C687310EB53549AC6B13591894CC76048D92) "_VideoPlayerPluginDestroyInstance", referenced from: _MediaPlayerCtrl_VideoPlayerPluginDestroyInstance_m404DBB6565D1BF7FD1F82F5D6A2E4CC7D1A8B065 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginDestroyInstance_m404DBB6565D1BF7FD1F82F5D6A2E4CC7D1A8B065) "_VideoPlayerPluginCanOutputToTexture", referenced from: _MediaPlayerCtrl_VideoPlayerPluginCanOutputToTexture_m28EF7A2669AF7786E79594C48D0A7293EF7AD1B1 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginCanOutputToTexture_m28EF7A2669AF7786E79594C48D0A7293EF7AD1B1) "_VideoPlayerPluginSetLoop", referenced from: _MediaPlayerCtrl_VideoPlayerPluginSetLoop_m198D76AA47FE3D5DE4362DA6BD83D2ABA3C6EFF3 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginSetLoop_m198D76AA47FE3D5DE4362DA6BD83D2ABA3C6EFF3) "_VideoPlayerPluginCreateInstance", referenced from: _MediaPlayerCtrl_VideoPlayerPluginCreateInstance_m180D5B72D5B6CD5515C4B129CC6E05392AD145F4 in Bulk_Assembly-CSharp_8.o (maybe you meant: _MediaPlayerCtrl_VideoPlayerPluginCreateInstance_m180D5B72D5B6CD5515C4B129CC6E05392AD145F4) ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation) here

I figured it out. I made sure my project plugins folder was clear of any lingering old files, which there were old plugins that were still in there.