Description of issue:
Twitter cards validator says that no metatags found but i can see in the file.
Following are the meta tags that i have added in the header of the html files.

<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:site" content="@Unation">
<meta name="twitter:creator" content="@Unation">
<meta name="twitter:description" content="As the official destination organization for Raleigh, N.C., we have the well-being of all visitors and residents of Wake County as our highest priority. We have been and will continue to gather information working with local, state and national agencies and encourage.
Many hotels in the Raleigh area have been certified under the statewide Count On Me NC.
We have the well-being of all visitors and residents of Wake County as our highest priority. We have been and will continue to gather information working with local, state and national agencies and encourage.">
<meta name="twitter:app:country" content="US">
<meta name="twitter:app:name:iphone" content="Unation">
<meta name="twitter:app:id:iphone" content="953269522">
<meta name="twitter:app:url:iphone" content="unation:///discover">
<meta name="twitter:app:name:googleplay" content="Unation">
<meta name="twitter:app:id:googleplay" content="com.unation.mobile.android.na">
<meta name="twitter:app:url:googleplay" content="app-url">
<meta property="og:title" content="Visit to Raleigh">
<meta property="og:description" content="As the official destination organization for Raleigh, N.C., we have the well-being of all visitors and residents of Wake County as our highest priority. We have been and will continue to gather information working with local, state and national agencies and encourage.
Many hotels in the Raleigh area have been certified under the statewide Count On Me NC.
We have the well-being of all visitors and residents of Wake County as our highest priority. We have been and will continue to gather information working with local, state and national agencies and encourage.">
<meta property="og:url" content="share url">
<meta property="og:image" content="image url">
<meta property="og:image:url" content="image url">
<meta property="og:image:width" content="450">
<meta property="og:image:height" content="450">
<meta property="og:type" content="events.event">
<meta name="twitter:title" content="Visit to Raleigh  | UNATION">
<meta property="twitter:image" content="image url">

URL affected (must be public):

Troubleshooting steps attempted [note that we will not prioritise posts unless there is evidence of following the troubleshooting guides]:

Closing as a duplicate.