Nonsensical [Errno 8] Exec format error

[ivan]

At the end of grab-site https://twitter.com/i/moments/:

https://twitterflightschool.com/assets/images/dummy-user-avatar.png ...
http://g.twimg.com/googleanalytics/gtm.js ...
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/collections/Collection-Header.jpg.mtc-thumb.1200.sdd56fdeb97843f12d816b2232de933e77cfc2f54.jpg’ encountered an error: [Errno 8] Exec format error
https://blog.twitter.com/etc/designs/blog-twitter/public/js/source/core/languages/ar.js ...
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/solutions/landingpage/Solutions-Header.jpg.mtc-thumb.1200.se622ec31174dc81d5b83622f31df84cbb5781d43.jpg’ encountered an error: [Errno 8] Exec format error
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/insights/ipgvideo/IPGVideo2017-Header.jpg.mtc-thumb.1200.s2fde146f6dacc8b2b1af009d0b95b2c5ccae2922.jpg’ encountered an error: [Errno 8] Exec format error
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/collections/Collection-Header.jpg.mtc-thumb.1200.sdd56fdeb97843f12d816b2232de933e77cfc2f54.jpg’ encountered an error: [Errno 8] Exec format error
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/homepage/Homepage-Header.jpg.mtc-thumb.1200.sd68271ce8a50719d006047c16fd7795b32d18f6f.jpg’ encountered an error: [Errno 8] Exec format error
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/solutions/landingpage/Solutions-Header.jpg.mtc-thumb.1200.se622ec31174dc81d5b83622f31df84cbb5781d43.jpg’ encountered an error: [Errno 8] Exec format error
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/insights/ipgvideo/IPGVideo2017-Header.jpg.mtc-thumb.1200.s2fde146f6dacc8b2b1af009d0b95b2c5ccae2922.jpg’ encountered an error: [Errno 8] Exec format error
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/na/en/success-stories/abi/ABI-header10.jpg.mtc-thumb.1200.s4d415fa2081407113458c6396d42957b9342f7b4.jpg’ encountered an error: [Errno 8] Exec format error
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/homepage/Homepage-Header.jpg.mtc-thumb.1200.sd68271ce8a50719d006047c16fd7795b32d18f6f.jpg’ encountered an error: [Errno 8] Exec format error
https://bat.bing.com/bat.js ...
ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/na/en/success-stories/abi/ABI-header10.jpg.mtc-thumb.1200.s4d415fa2081407113458c6396d42957b9342f7b4.jpg’ encountered an error: [Errno 8] Exec format error

[TheTechRobo]

never gotten this before. Is this still reproducible?

edit: am getting ERROR Fetching ‘https://marketing.twitter.com:80/content/dam/marketing-twitter/homepage/Homepage-Header.jpg.mtc-thumb.1200.sd68271ce8a50719d006047c16fd7795b32d18f6f.jpg’ encountered an error: [Errno 1] Operation not permitted upon a grab-site --1 https://marketing.twitter.com:80/content/dam/marketing-twitter/homepage/Homepage-Header.jpg.mtc-thumb.1200.sd68271ce8a50719d006047c16fd7795b32d18f6f.jpg

opening in FF says

An error occurred during a connection to marketing.twitter.com:80. SSL received a record that exceeded the maximum permissible length.

Error code: SSL_ERROR_RX_RECORD_TOO_LONG