You have ad crawler errors, which can result in lost revenue. (Page Not Found) Ad Crawler Error in GAdsense

You have ad crawler errors, which can result in lost revenue. (Page Not Found) Ad Crawler Error in GAdsense

I got this warning message in google adsense. Please help me to fix this error.

Redirect those pages to other relevant page.

Just ignore them. It will be fixed automatically.

Or as Gulshan said redirect the pages to relevant one’s

Even I got the same error a few weeks ago