我正在使用 Microsoft MRTK v2.0.3，并且正在尝试将空间感知添加到我的项目中，但是当我选择空间感知配置文件时，我不断收到以下错误：
Unable to register IMixedRealitySpatialAwarenessObserver service with a null concrete type.
UnityEngine.Debug:LogError(Object)
Microsoft.MixedReality.Toolkit.BaseDataProviderAccessCoreSystem:RegisterDataProviderInternal(Boolean, Type, SupportedPlatforms, Object[]) (at Assets/MixedRealityToolkit/Services/BaseDataProviderAccessCoreSystem.cs:178)
Microsoft.MixedReality.Toolkit.BaseDataProviderAccessCoreSystem:RegisterDataProvider(Type, SupportedPlatforms, Object[]) (at Assets/MixedRealityToolkit/Services/BaseDataProviderAccessCoreSystem.cs:151)
Microsoft.MixedReality.Toolkit.SpatialAwareness.MixedRealitySpatialAwarenessSystem:InitializeInternal() (at Assets/MixedRealityToolkit.Services/SpatialAwarenessSystem/MixedRealitySpatialAwarenessSystem.cs:96)
Microsoft.MixedReality.Toolkit.SpatialAwareness.MixedRealitySpatialAwarenessSystem:Initialize() (at Assets/MixedRealityToolkit.Services/SpatialAwarenessSystem/MixedRealitySpatialAwarenessSystem.cs:78)
Microsoft.MixedReality.Toolkit.<>c:<InitializeAllServices>b__60_0(IMixedRealityService) (at Assets/MixedRealityToolkit/Services/MixedRealityToolkit.cs:923)
Microsoft.MixedReality.Toolkit.MixedRealityToolkit:ExecuteOnAllServicesInOrder(Action`1) (at Assets/MixedRealityToolkit/Services/MixedRealityToolkit.cs:1019)
Microsoft.MixedReality.Toolkit.MixedRealityToolkit:InitializeAllServices() (at Assets/MixedRealityToolkit/Services/MixedRealityToolkit.cs:923)
Microsoft.MixedReality.Toolkit.MixedRealityToolkit:InitializeServiceLocator() (at Assets/MixedRealityToolkit/Services/MixedRealityToolkit.cs:468)
Microsoft.MixedReality.Toolkit.MixedRealityToolkit:ResetConfiguration(MixedRealityToolkitConfigurationProfile) (at Assets/MixedRealityToolkit/Services/MixedRealityToolkit.cs:120)
Microsoft.MixedReality.Toolkit.Editor.<>c__DisplayClass30_0:<OnInspectorGUI>b__0() (at Assets/MixedRealityToolkit/Inspectors/Profiles/MixedRealityToolkitConfigurationProfileInspector.cs:428)
UnityEditor.EditorApplication:Internal_CallDelayFunctions() (at C:/buildslave/unity/build/Editor/Mono/EditorApplication.cs:209)
当我尝试在设备上进行模拟时，没有收集到有关周围环境的数据。我激活了空间感知和 VR 支持。
