NullReferenceException: Object reference not set to an instance of an object
Unity.Services.Vivox.VivoxServiceInternal.InitializeInternalAsync (Unity.Services.Vivox.VivoxConfigurationOptions options) (at ./Library/PackageCache/com.unity.services.vivox@d706006248ef/Runtime/VivoxServiceInternal.cs:299)
Unity.Services.Vivox.VivoxServiceInternal.InitializeAsync (Unity.Services.Vivox.VivoxConfigurationOptions options) (at ./Library/PackageCache/com.unity.services.vivox@d706006248ef/Runtime/VivoxServiceInternal.cs:293)
JoinEchoChannel.Start () (at Assets/Samples/Vivox/16.10.0/Chat Channel Sample/Assets/ChatChannelSample/Scripts/EchoTest/JoinEchoChannel.cs:22)
System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.<ThrowAsync>b__7_0 (System.Object state) (at <346da8cd57274f9fb70f7bb52cee8325>:0)
UnityEngine.UnitySynchronizationContext+WorkRequest.Invoke () (at /Users/bokken/build/output/unity/unity/Runtime/Export/Scripting/UnitySynchronizationContext.cs:156)
UnityEngine.UnitySynchronizationContext.Exec () (at /Users/bokken/build/output/unity/unity/Runtime/Export/Scripting/UnitySynchronizationContext.cs:84)
UnityEngine.UnitySynchronizationContext.ExecuteTasks () (at /Users/bokken/build/output/unity/unity/Runtime/Export/Scripting/UnitySynchronizationContext.cs:110)