OPENCACHING NORTH AMERICA

Action: While logged in, follow links under Additional Menu, to New Caches, Upcoming events, or Recommended Caches.

Result: See: "This is ERROR!
The only detail which maybe explain something: Improper request
If you think this error is OUR fault and we shoud (sic) know about it please: contact us!"

Note typo "shoud" in message.

Links followed were: https://www.opencaching.us/newevents.php , https://www.opencaching.us/newevents.php , https://www.opencaching.us/cacheratings.php

Note: Correct link for upcoming events is: https://www.opencaching.us/Cache/incomingEvents

You are correct.
They are in error.

Coders alerted. Don't expect repair anytime soon.