UPDATED - How-to Fix Excluded by ‘NOINDEX’ Tag - Google Search Console Page Indexing 

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Video tutorial showing How to Fix Excluded by ‘noindex’ tag issues in Page Indexing reports in Google search console.
Basically, you need to identify how Google user-agent Googlebot is seeing noindex robots directive from URLs on your website, and then, remove noindex directive so that Google can index the problem URLs.
There is only 2 ways to generate this
robots meta tag which can be viewed in the example URL source code
Or, HTTP Response header which a web hosting server (usually .htaccess file)
Header set "X-Robots-Tag: noindex"
or website theme files may use PHP code to send
header("X-Robots-Tag: noindex", true)
meaning you need to identify how Google is seeing this noindex directive and remove it from those URLs you want Google to index.
To learn more visit
support.google...
How to Fix Excluded by noindex Tag
www.rankya.com...