ERROR: FetchError:null (Card error)

stacytalbot · 2018-02-01T15:55:40.005Z

I have doubled checked my meta tags which but I am receiving the following error when using the Twitter card validator

http://post_2020_timeline.web-staging.linode.unep-wcmc.org/

system · 2018-02-15T15:56:08.575Z

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