Exception thrown: 'System.InvalidOperationException' in System.Private.CoreLib.dll
WinRT information: ExecuteScriptAsync(): Failed because a valid CoreWebView2 is not present. Make sure one was created, for example by calling EnsureCoreWebView2Async() API.
An exception of type 'System.InvalidOperationException' occurred in System.Private.CoreLib.dll but was not handled in user code
WinRT information: ExecuteScriptAsync(): Failed because a valid CoreWebView2 is not present. Make sure one was created, for example by calling EnsureCoreWebView2Async() API.
A method was called at an unexpected time.

	static async Task CallJSMethod(FrameworkElement platformWebView, string script)
	{
		if (platformWebView is WebView2 webView2)
		{
+                     	await webView2.EnsureCoreWebView2Async();

			var tcs = new TaskCompletionSource();
			webView2.DispatcherQueue.TryEnqueue(async () =>
			{
				await webView2.ExecuteScriptAsync(script);
				tcs.SetResult();
			});

			await tcs.Task;
		}
	}