About a week ago, many Google Analytics users and Google AdWords advertisers began noticing that the AdWords cost data was no longer being sent to the Google Analytics reports. We said that Google sent a warning that this may happen, if you don’t link the two accounts.

Googler, AnalyticsPro.Chris, created a new “sticky” thread at Google Analytics Help discussions that talks about this issue.

Chris said:

So if you have this issue, hopefully this will help you going forward.

Forum discussion at Google Analytics Help.