Thread:Project:Support desk/Mediawiki connection to MySQL on FreeBSD through IPv6/reply (11)

I've searched for mysql_connect: Failed to parse IPv6 address and I've only came with 3 results... So my guess is that the IPv6 address you're using is not valid.

Also, the error message mentions fc00:3306 while your input address was fc00::2b, which doesn't match.