WMDE Engineering says:
Failed to load RSS feed from https://sourcecode.berlin/feed/: Error fetching URL: SSL certificate problem: certificate has expired
Y Done. Moved.
WMDE Engineering says:
Failed to load RSS feed from https://sourcecode.berlin/feed/: Error fetching URL: SSL certificate problem: certificate has expired
using http doesn't give those problems: http://sourcecode.berlin/feed/
So simply switch to HTTP? or remove that feed, which I don't know if it's relevant.