Try this wayback machine link: https://web.archive.org/web/20150909003917/http://blogs.adobe.com/digitalmarketing/analytics/marketing-channels-5-steps-to-troubleshoot-session-refresh/

Updated to the latest extension and still seeing this issue. Console error screenshot: https://imgur.com/a/hmhfZEW

What's the link to the exam as can't find it anywhere?

Agreed. Adobe Analysis Workspace needs additional retention functionality like this

Also seeing this error come up now and again. Anyone have a solution?