The real problem here is that private servers clients are not the same as the production ones. I mean, I don't play nor I'm interested in PServers but it should be like when a new build is pushed out*: names change 'n shit. The codes should be (structurally speaking) the same, but you have to the job Cryogen do whenever a new version come out. That after all is not THAT difficult, it's just time consuming. Also if are unfamiliar to client editing it's not the best way to start.
*Don't quote me on that.