I downloaded the teamspeak3 Unity3d package, and build the example scene "Minimal_Mobile" on iOS platform.

When I build into my iPhone device xcode console log show this error:
Scripting Backend settings: IL2CPP
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ID:	17067

Unity Player Settings:
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Size:	50.0 KB 
ID:	17069

Scripting Backend settings: Mono2x
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Size:	42.9 KB 
ID:	17068

Unity Player Settings:
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Size:	49.4 KB 
ID:	17070

Here is my environment:
TeamSpeak Unity3d Package: TeamSpeak_SDK_3.0.4_2017_05_17_Unity3D_5.unitypack age
OS: MacOS 10.13.6 (High Sierra)
Unity3d: 5.6.1f1
Xcode: 9.4.1
Bitcode: No

Anyone has any idea whats going on?

Thank you.