This is the error I get when attempting to validate a card for: https://www.911truthoutreach.org/557-news-releases/381-9-11-museum-virtual-walking-tour.html:
Card preview
9/11 Truth Outreach @911TruthOut
The card for your website will look a little something like this!
Unable to render Card preview
Log
ERROR: FetchError:exceeded 4.seconds to Portal.Pink-constructor-safecore while waiting for a response for the request, including retries (if applicable) (Card error)
The metadata is as follows:
[code]
[/code]
Robots.txt is as follows:
User-agent: Twitterbot
Disallow:
User-agent: *
Disallow: /administrator/
Disallow: /bin/
Disallow: /cache/
Disallow: /cli/
Disallow: /components/
Disallow: /includes/
Disallow: /installation/
Disallow: /language/
Disallow: /layouts/
Disallow: /libraries/
Disallow: /logs/
Disallow: /modules/
Disallow: /plugins/
Disallow: /tmp/
What am I doing wrong here?