Undefined symbols for architecture arm64: “__MNP_HidePreloader”, referenced from

Hi All, I'm deploying my game from Android to iOS using Unity. I faced some issues and spent days trying to find solution without success. Do you have any ideas about how to resolve it please ? I spent weeks trying to find a solution

ld: warning: arm64 function not 4-byte aligned: ltmp0 from /Users/kosted/Kissoro/KissoroCompile/Libraries/libiPhone-lib.a(unwind_test_arm64.o)
ld: warning: arm64 function not 4-byte aligned: _unwind_tester from /Users/kosted/Kissoro/KissoroCompile/Libraries/libiPhone-lib.a(unwind_test_arm64.o)
Undefined symbols for architecture arm64:
  "__MNP_HidePreloader", referenced from:
      _MNIOSNative__MNP_HidePreloader_m400846517 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNIOSNative_HidePreloader_m2003724835 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNP_HidePreloader_m2565935768 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNUseExample_OnGUI_m786938601 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNUseExample_OnPreloaderTimeOut_m325390161 in Bulk_Assembly-CSharp-firstpass_1.o
     (maybe you meant: _MNIOSNative__MNP_HidePreloader_m400846517)
  "__MNP_ShowPreloader", referenced from:
      _MNIOSNative__MNP_ShowPreloader_m2162237655 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNIOSNative_ShowPreloader_m2449300039 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNP_ShowPreloader_m1216219635 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNUseExample_OnGUI_m786938601 in Bulk_Assembly-CSharp-firstpass_1.o
     (maybe you meant: _MNIOSNative__MNP_ShowPreloader_m2162237655)
  "__MNP_RedirectToAppStoreRatingPage", referenced from:
      _MNIOSNative__MNP_RedirectToAppStoreRatingPage_m3704447822 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNIOSNative_RedirectToAppStoreRatingPage_m3678681813 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNRateUsPopup_U3CMNRateUsPopupU3Em__2_m201187489 in Bulk_Assembly-CSharp-firstpass_1.o
     (maybe you meant: _MNIOSNative__MNP_RedirectToAppStoreRatingPage_m3704447822)
  "__MNP_DismissCurrentAlert", referenced from:
      _MNIOSNative__MNP_DismissCurrentAlert_m3620754221 in Bulk_Assembly-CSharp-firstpass_1.o
      _MNIOSNative_dismissCurrentAlert_m2341291758 in Bulk_Assembly-CSharp-firstpass_1.o
     (maybe you meant: _MNIOSNative__MNP_DismissCurrentAlert_m3620754221)
  "__MNP_ShowMessage", referenced from:
      _MNIOSNative__MNP_ShowMessage_m3597078354 in Bulk_Assembly-CSharp-firstpass_1.o
     (maybe you meant: _MNIOSNative__MNP_ShowMessage_m3597078354)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

I use Xcode 9.3.1.