ContentFrameAsync() exception occurred in iframe elementHandle

[namilkimfree]

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Before you file a bug, have you:

• Tried upgrading to newest version of PuppeteerSharp, to see if your issue has already been resolved and released?
• Checked existing open and closed issues, to see if the issue has already been reported?
• Tried reproducing your problem in a new isolated project?
• Considered if this is a general question and not a bug?. For general questions please use StackOverflow.

Description

[Description of the issue] iframeElementHandle.ContentFrameAsync() throw exception

Frame 8B6EB85116EFEB0ABBEFC65625234E35 not found

Complete minimal example reproducing the issue

// Arrange
var options = new LaunchOptions { /*  */ };
var chromiumRevision = BrowserFetcher.DefaultRevision;
var browser = await Puppeteer.LaunchAsync(options, chromiumRevision);
var page = browser.NewPageAsync();
   await        page.GoToAsync("https://forum.netmarble.com/enn_ko/view/33/132235",
                new NavigationOptions() {WaitUntil = new[] {WaitUntilNavigation.Load, WaitUntilNavigation.Networkidle0}});



// Act
...

var elementHandle = await page.QuerySelectorAsync("#contentsDetail iframe");

var frame = await elementHandle.ContentFrameAsync(); 

// Assert

--> throw exception  Frame 8B6EB85116EFEB0ABBEFC65625234E35 not found
...

Expected behavior:

[What you expect to happen] not throw exception

Actual behavior:

[What actually happens] but throw exception

Versions

• Which version of PuppeteerSharp are you using? 7.0.0
• Which .NET runtime and version are you targeting? E.g. .NET 5

Additional Information

Any additional information, configuration or data that might be necessary to reproduce the issue.

[Yaagod]

Confirming, ContentFrameAsync() is not working on any website in current version (7.0). 6.x works fine,

[kblok]

Can you try v7.1 @Yaagod ?