I use the Google search. It works better.Sometimes i wonder if it would reduce server load to disable the search function of the forum. It seems to be of no use anyway....
Does this help ?
https://www.planetcalypsoforum.com/...?222565-A-brief-history-of-PlanetCalypsoForum
To reach forum administration, maybe try this:
https://www.planetcalypsoforum.com/forums/sendmessage.php
BR