Yes, also was added a new issue there.
Thank you so muchNormandoHall created this issue in NodeBB/nodebb-plugin-iframely closed [plugin/iframely] Could not parse embed! TypeError: Cannot read property 'thumbnail' of undefined #32
This is what the facebook debugger says.
The provided 'og:image' properties are not yet available because new images are processed asynchronously. To ensure shares of new URLs include an image, specify the dimensions using 'og:image:width' and 'og:image:height' tags. Learn More
Looks like we need to add those to our header.
Where file location i can fix it