Adsense stops showing ads

[X_Code]

My website https://1o24bbs.com/ has been running ads fine for two years.
But it stopped this morning.
I see that adsense plugin is using iframe which may be an issue.
I don’t see any console error or network traffic error.
Anyone has the same issue?

[X_Code]

Hello,
We recently identified invalid traffic concerns in your AdSense account. As a result, we have introduced an ad serving limit on your account. We will automatically review and update this limit as we continue to monitor your traffic.
Why has this happened?
We found potentially invalid traffic being used to generate ad revenue on your account. As a reminder, invalid traffic is strictly prohibited by the AdSense Program policies. Clicks on Google ads must result from genuine user interest. Publishers may not ask others to click their ads. This includes asking users to support your site, offering rewards to users for viewing ads, and promising to raise money for third parties for such behavior. Additionally, clicking your own ads, automated clicking tools or traffic sources, robots, or other deceptive software are also prohibited.
We understand that you may want to know more about the activity we’ve detected. Because this information could be used to circumvent our proprietary detection systems, we’re unable to provide our publishers with information about specific account activity, including users that may have been involved.
Note that if you are found to be in violation of the AdSense Program policies, your account may be subject to further enforcement actions or may be permanently disabled.
What should I do now?
Your account is still fully accessible and you can view details about this account-level issue in the Policy center. While this ad serving limit typically impacts publishers for less than 30 days, it may take longer in some cases. We encourage you to be proactive in making sure your ad traffic complies with the AdSense Program policies. Thank you for your understanding and cooperation.
Sincerely,
The Google AdSense Team

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I am 100% sure I am not making any invalid traffic.

[neounix (Dark Matter)]

@X_Code

see that adsense plugin is using iframe which may be an issue.

Using an IFRAME tag is not the root cause of this issue.

Sorry.

[X_Code]

Yeah, but anyone disputed about being determined invalid traffic?

[neounix (Dark Matter)]

Never in nearly 20 years of publishing ads on the web.

Google uses AI to analyze ad traffic and their AI flags based on what they consider suspicious patterns.

The message you posted that you got from Google was fairly clear on why they flagged your site.

We found potentially invalid traffic being used to generate ad revenue on your account. As a reminder, invalid traffic is strictly prohibited by the AdSense Program policies. Clicks on Google ads must result from genuine user interest. Publishers may not ask others to click their ads. This includes asking users to support your site, offering rewards to users for viewing ads, and promising to raise money for third parties for such behavior. Additionally, clicking your own ads, automated clicking tools or traffic sources, robots, or other deceptive software are also prohibited.