A number of origins fail to be rendered with HTTP response 505 and the message in title.
An example is https://archive.softwareheritage.org/browse/origin/https://github.com/WilsonSayresLab/Anole_expression/directory/
A longer list with ~200 origins is at
After a quick analysis, this seems related to origins with a partial visit and no captured snapshot, see http://archive.softwareheritage.org/api/1/origin/git/url/https://github.com/WilsonSayresLab/Anole_expression
An exception should be thrown somewhere to handle these cases.
Right.
To elaborate, the user-visible result should be the same of origins that haven't been visited yet, e.g.:
which returns 404 and a user-targeted error message.
(I also note that the search results page treat both cases similarly: showing an X for both kind of origins. Good!)