Most of the content not captured by the extension

I am trying to send this page to my kindle but most of the page isn’t captured by the extension:

Thanks for reporting this. We’ve added extraction rules for this site to improve extraction. The changes might take a few hours to take effect.

thank you. Now it seems the extension is capturing the whole content but the problem now is “Sorry, couldn’t create Kindle file. Please try again”

Thank you for reporting this. We’re looking into and should have a fix soon.

Hi again, just an update to let you know that we’ve now fixed the issue here. Many thanks for reporting this to us. Please feel free to let us know if you come across any other issues with Push to Kindle.