Wikitude

Wikitude Cloud Recognition Sample Single not working in Unity , 

Unity Version : 2018.3.0f2

Any solutions

get these error 

 -- 1

ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.

System.Reflection.Assembly.GetTypes () (at <ac823e2bb42b41bda67924a45a0173c3>:0)

Wikitude.BridgeFactory..cctor () (at <e99434a9fc48492f8358885a1de1fb87>:0)

Rethrow as TypeInitializationException: The type initializer for 'Wikitude.BridgeFactory' threw an exception.

Wikitude.WikitudeSDK.CreateWikitudeBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeSDK.get_WikitudeBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeCamera.OnApplicationPause (System.Boolean paused) (at <4138946285fc4605ba8de867644446c1>:0)

--2

Error initializing C# functions! System.TypeInitializationException: The type initializer for 'Wikitude.BridgeFactory' threw an exception. ---> System.Reflection.ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.

  at (wrapper managed-to-native) System.Reflection.Assembly.GetTypes(System.Reflection.Assembly,bool)

  at System.Reflection.Assembly.GetTypes () [0x00000] in <ac823e2bb42b41bda67924a45a0173c3>:0 

  at Wikitude.BridgeFactory..cctor () [0x00023] in <e99434a9fc48492f8358885a1de1fb87>:0 

   --- End of inner exception stack trace ---

  at Wikitude.WikitudeSDK.CreatePlatformBridge () [0x00013] in <4138946285fc4605ba8de867644446c1>:0 

  at Wikitude.WikitudeSDK.get_PlatformBridge () [0x00007] in <4138946285fc4605ba8de867644446c1>:0 

  at Wikitude.TrackerManager.Init () [0x00159] in <4138946285fc4605ba8de867644446c1>:0 

UnityEngine.Debug:LogError(Object)

Wikitude.TrackerManager:Init()

Wikitude.WikitudeBridge:Setup()

Wikitude.WikitudeCamera:Start()

-- 3

ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.

System.Reflection.Assembly.GetTypes () (at <ac823e2bb42b41bda67924a45a0173c3>:0)

Wikitude.BridgeFactory..cctor () (at <e99434a9fc48492f8358885a1de1fb87>:0)

Rethrow as TypeInitializationException: The type initializer for 'Wikitude.BridgeFactory' threw an exception.

Wikitude.WikitudeSDK.CreatePlatformBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeSDK.get_PlatformBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeCamera.Start () (at <4138946285fc4605ba8de867644446c1>:0)

--4 

ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.

System.Reflection.Assembly.GetTypes () (at <ac823e2bb42b41bda67924a45a0173c3>:0)

Wikitude.BridgeFactory..cctor () (at <e99434a9fc48492f8358885a1de1fb87>:0)

Rethrow as TypeInitializationException: The type initializer for 'Wikitude.BridgeFactory' threw an exception.

Wikitude.WikitudeSDK.CreatePlatformBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeSDK.get_PlatformBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeCamera.get_CameraTexture () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeCamera.Update () (at <4138946285fc4605ba8de867644446c1>:0)

-- 5

ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.

System.Reflection.Assembly.GetTypes () (at <ac823e2bb42b41bda67924a45a0173c3>:0)

Wikitude.BridgeFactory..cctor () (at <e99434a9fc48492f8358885a1de1fb87>:0)

Rethrow as TypeInitializationException: The type initializer for 'Wikitude.BridgeFactory' threw an exception.

Wikitude.WikitudeSDK.CreateWikitudeBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeSDK.get_WikitudeBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeCamera.OnDestroy () (at <4138946285fc4605ba8de867644446c1>:0)

--6 

ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.

System.Reflection.Assembly.GetTypes () (at <ac823e2bb42b41bda67924a45a0173c3>:0)

Wikitude.BridgeFactory..cctor () (at <e99434a9fc48492f8358885a1de1fb87>:0)

Rethrow as TypeInitializationException: The type initializer for 'Wikitude.BridgeFactory' threw an exception.

Wikitude.WikitudeSDK.CreateWikitudeBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.WikitudeSDK.get_WikitudeBridge () (at <4138946285fc4605ba8de867644446c1>:0)

Wikitude.ImageTracker.OnDisable () (at <4138946285fc4605ba8de867644446c1>:0)