https://doc.wikimedia.org/mediawiki-core/master/php/classMediaWiki_1_1Exception_1_1HttpError.html
MediaWiki: MediaWiki\Exception\HttpError Class Reference
mediawikiexceptionclassreference
https://knowledge.broadcom.com/external/article/297464/ruby-buildpacks-cause-the-error-bundlerh.html
Ruby Buildpacks cause the error "Bundler::HTTPError Could not fetch specs from...