Was actually hoping someone would post here the error logs trimoon says they posted on the (game's?) Facebook page, otherwise there is scant to go on.
I too get lots of errors (of the stype "Could not open image:"... mostly but also other errors) without any issues. I would agree with netforce10 here, and suggest you run pslaunch and then tune the graphics settings: Click on the "SETTINGS" button at the bottom center, then choose "Medium" from the "Graphics Quality:" drop-down, then "OK". I have heard people crashing with too low settings, so I guess medium is the way to go, you can fine-tune later, after you manage logging into the game.
Yes there is some issue with the DNS entry for the forum which hasn't been fixed for a long time now. But it still works well enough. Have a look at this post from someone having simillar issues as your own:
http://207.244.96.64/PlaneShift/smf/index.php?topic=43498.0, or this one:
http://207.244.96.64/PlaneShift/smf/index.php?topic=43423.0 which is the same issue, solved by toggling a single graphics setting. Also the entire "
http://207.244.96.64/PlaneShift/smf/index.php?board=17.0" board could contain other threads you might find helpful.
Also make sure you have OpenAL installed and update your graphic card drivers. Note that I install as a normal user and I suggest you opt to do the same, otherwise you will need to run the game as root to be able to get updates (not suggested.) Just install in your home folder and run as a normal user instead.
If you are still around, I hope you can find a solution to the problems you are facing soon and we can see you in game.