Ad serving is currently limited. Review the issue details and see recommendations about what you can do next.
This message from Adsense seems frustrating, but here is all you need to know.
1. Before 2019, Adsense kept banning all such accounts, closing all the hopes from Adsense earning.
2. Later, adsense stopped this and started placing ad limit.
3. This gives Adsense user enough time to understand the policy issues and recover them.
4. Ad limit do not last longer than 30 days.
So thing is not to worry, just follow these simple steps.
1. Remove all the ad codes from Adsense.
3. Turn off auto ads.
4. Remove all third party ads.
5. Check google analytics traffic sources, if certain source seems hiked, check of you have shared the links on social media, remove them.
6. Obviously, don’t click on your own ads.