We tried, but could not find /doku.php/faq:troubleshooting:citserver_fails_to_start_with_a_message_such_as_cdb_dbenv_open_function_not_implemented?do=login§ok=0ea7547c8e10a0bf6c9a7be23fd3d5d0
But hey, you don't have to leave empty handed!
Here are some things you can try instead: