<http://schema.org/description>
"There has been a bug in Google Webmaster Tools lingering since July of this year where missing data is not found in the \"Download all sources of errors on this site\" report.Michael Martinez wrote a ne"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-errors-download-bug-14097.html>