Adsense alert in my account

[virtualreality]

Hello, I see the following Adsense alert for a long time (couple of months or so):

The following ad units have made ad requests with incorrect site information. This occurs when the URL of the server from which the ad unit has been served differs from the URL of the actual page where the ad will be displayed. Learn how to fix these errors.

I went to the page with recommendations on how to fix this but it does not apply for my site because i dont use I iframes or ad servers. And I have no idea what else that can be? Any ideas?

[Leosghost]

Your site is in a search engine "cache"..and people are clicking on your ads from their pages..which frame yours..Many past threads on this here..

[virtualreality]

Thank you for your reply Leosghost. Is that something I should be concerned about? What people do to fix it?

[Leosghost]

There is also the possibility that this is being generated by "link units"..
[webmasterworld.com...]
threads on both possibilities..there are other threads..but, I'm busy with something else ATM so could only find you these two fast..
[webmasterworld.com...]

[JCKline]

If you only allow your URLs to show AdSense ads (in account settings), then the problem will go away.

[IanCP]

Your site is in a search engine "cache"

Which is one reason why my pages have in the header:

<meta name="robots" content="noarchive" />

Whether they all honour that is another matter.

[virtualreality]

I am trill trying to figure out what causes this issue. I dont think my clicks are less because of it. But it just bothers me to see this red alert there.