All nabble forums have been moved to a new server
. For us, it changed the prefix of the forum in the web address. When you encounter a crosslink reference like this not working anymore:
Hmm. We’re having trouble finding that site.
We can’t connect to the server at official-rtab-map-forum.67519.x6.nabble.com.
If that address is correct, here are three other things you can try:
Try again later.
Check your network connection.
If you are connected but behind a firewall, check that Firefox has permission to access the Web.
Change 67519.x6 by 206.s1 in the address:
I'll check if I could fix all links in all posts having this issue done!. Until then, use the fix above to recover the information.