ARManager arManagr = FindObjectOfType<ARManager>();
if (arManagr == null)
{
    Debug.LogError("Can't find ARManager. You need to add ARManager prefab in scene.");
    return;
}
else
{
    arCamera = arManagr.gameObject;
}

vPSStudioController = FindObjectOfType<VPSStudioController>();
if (vPSStudioController == null)
{
    Debug.LogError("Can't find VPSStudioController. You need to add VPSStudio prefab in scene.");
    return;
}
else
{
    string serverName = vPSStudioController.vpsServerName;
    vPSStudioController.gameObject.SetActive(false);
}

cameraBackgroundBehaviour = FindObjectOfType<CameraBackgroundBehaviour>();
if (cameraBackgroundBehaviour == null)
{
    Debug.LogError("Can't find CameraBackgroundBehaviour.");
    return;
}

if(rootTrackable == null)
{
    Debug.LogError("You need to add RootTrackable.");
}

foreach (GameObject eachGameObject in occlusionObjects)
{
    Renderer[] cullingRenderer = eachGameObject.GetComponentsInChildren<Renderer>();
    foreach (Renderer eachRenderer in cullingRenderer)
    {
        eachRenderer.material.renderQueue = 1900;
        eachRenderer.material = runtimeBuildingMaterial;
    }
}

if (Application.platform == RuntimePlatform.OSXEditor || Application.platform == RuntimePlatform.WindowsEditor)
{
    string simulatePath = vPSStudioController.vpsSimulatePath;
    if (Directory.Exists(simulatePath))
    {
        CameraDevice.GetInstance().Start(simulatePath);
        MaxstAR.SetScreenOrientation((int)ScreenOrientation.Portrait);
    }
}
else
{
    if (CameraDevice.GetInstance().IsFusionSupported(CameraDevice.FusionType.ARCamera))
    {
        CameraDevice.GetInstance().Start();
    }
    else
    {
        TrackerManager.GetInstance().RequestARCoreApk();
    }
}

TrackerManager.GetInstance().StartTracker();

if (serverName != "")
{
    string vpsquery = "{\"vps_server\":\"" + serverName + "\"}";
    TrackerManager.GetInstance().AddTrackerData(vpsquery);
}

void Update()
{
    TrackerManager.GetInstance().UpdateFrame();

    ARFrame arFrame = TrackerManager.GetInstance().GetARFrame();
    
    TrackedImage trackedImage = arFrame.GetTrackedImage();


    if (trackedImage.IsTextureId())
    {
        IntPtr[] cameraTextureIds = trackedImage.GetTextureIds();
        cameraBackgroundBehaviour.UpdateCameraBackgroundImage(cameraTextureIds);
    }
    else
    {
        cameraBackgroundBehaviour.UpdateCameraBackgroundImage(trackedImage);
    }

    if(arFrame.GetARLocationRecognizeState() == ARLocationRecognizeState.ARLocationRecognizeStateNormal)
    {
        Matrix4x4 targetPose = arFrame.GetTransform();

        arCamera.transform.position = MatrixUtils.PositionFromMatrix(targetPose);
        arCamera.transform.rotation = MatrixUtils.QuaternionFromMatrix(targetPose);
        arCamera.transform.localScale = MatrixUtils.ScaleFromMatrix(targetPose);

        rootTrackable.SetActive(true);
    }
    else
    {
        rootTrackable.SetActive(false);
    }
}

public void OnClickNavigation()
{
    NavigationController navigationController = vPSStudioController.GetComponent<NavigationController>();
    navigationController.MakePath(arCamera.transform.position, new Vector3(77.975977f, 0, 71.859565f), serverName);
}

The type or namespace name 'EditorCoroutines' does not exist in the namespace ‘Unity'.  

nRCollectYUV = new NRCollectYUV();
nRCollectYUV.Play();
TrackerManager.GetInstance().StartTracker();

if (serverName != "")
{
    string vpsquery = "{\"vps_server\":\"" + serverName + "\"}";
    TrackerManager.GetInstance().AddTrackerData(vpsquery);
}

void Update()
{
    TrackerManager.GetInstance().UpdateFrame();
    nRCollectYUV.UpdateFrame();
    var eyePoseFromHead = NRFrame.EyePoseFromHead;
    Matrix4x4 Mhe = MatrixUtils.ConvertPoseToMatrix4x4(eyePoseFromHead.RGBEyePos);

    ARFrame arFrame = TrackerManager.GetInstance().GetARFrame();

    if (arFrame.GetARLocationRecognizeState() == ARLocationRecognizeState.ARLocationRecognizeStateNormal)
    {
        Matrix4x4 targetPose = arFrame.GetTransform(Mhe);

        arCamera.transform.position = MatrixUtils.PositionFromMatrix(targetPose);
        arCamera.transform.rotation = MatrixUtils.QuaternionFromMatrix(targetPose);
        arCamera.transform.localScale = MatrixUtils.ScaleFromMatrix(targetPose);

        rootTrackable.SetActive(true);
    }
    else
    {
        rootTrackable.SetActive(false);
    }
}