IOS build error by undefined sumbols for arm64

[felixkamak]

Undefined symbols for architecture arm64: "__TAG_stopRecording", referenced from: _SpeechToText_StopRecording_mF21F662285664FF57D285D2008564989AA6E1704 in Assembly-CSharp.o _SpeechToText__TAG_stopRecording_m34A98D87595200259A68FF498F5B799DB236FA7F in Assembly-CSharp.o (maybe you meant: _SpeechToText__TAG_stopRecording_m34A98D87595200259A68FF498F5B799DB236FA7F) "__TAG_startRecording", referenced from: _SpeechToText_StartRecording_m9CE8A3959994ED0B24EACC2A6979F431E7CD4EFB in Assembly-CSharp.o _SpeechToText__TAG_startRecording_m10356C4D06FFAAC052A9B3D3BC9E014B4210B658 in Assembly-CSharp.o (maybe you meant: _SpeechToText__TAG_startRecording_m10356C4D06FFAAC052A9B3D3BC9E014B4210B658) "__TAG_SettingSpeech", referenced from: _SpeechToText_Setting_mEF80E17FFCA62396C1669B860D29AC5176EE48DD in Assembly-CSharp.o _SpeechToText__TAG_SettingSpeech_mF004B0E7D9003C9B956AAA78B600BBF5DD987937 in Assembly-CSharp.o (maybe you meant: _SpeechToText__TAG_SettingSpeech_mF004B0E7D9003C9B956AAA78B600BBF5DD987937) ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation)

I got error message when I build on xcode after switching the architecture from universal to arm64 in unity. It works on universal but I am trying to use the ARkit which only support in arm64. Please help.