We tried, but could not find /doku.php?id=doku.php.faq:troubleshooting:citserver_fails_to_start_with_a_message_such_as_cdb_dbenv_open_function_not_implemented&do=login§ok=c9e7d77e2be01b76ee25559605c6069d
But hey, you don't have to leave empty handed!
Here are some things you can try instead: