Summary: rel=author requires full URL, Profile field that fills in this info requires only the Google+ ID
After doing a bunch of troubleshooting, it appears that the Google+ field used for the Author Profile requires only the user ID (in my case +Clint.DeBoer) and this is the field also used for the Author Social link to Google+.
That means that for the Author social box, the URL is automatically rewritten to prepend "http://plus.google.com/" but this prepend is NOT added to the top rel="author" URL which is very important for Google authorship.
As a result, the top rel="author" is rendered as:<link rel="author" href="http://+ClintDeBoer"/>
If I fix the field to correct the rel="author" then the lower Google+ icon link in the Author Bio is incorrect.
How might I work around this and can this be fixed in a subsequent update?
now your link won't work though, it's rendered as:
I will do some research about this and possibly release an update.
Thanks for your feedback and detailed explanation.
I have the same problem.
Sample page: https://leather-toolkits.com/reviews/best-valet-tray/
Sorry isn't it this about Google+ which doesn't exist anymore?
Also the link provided doesn't seem to have PowerMag running