IF you're getting xml error messages, it's only the beginning of your trouble IF you did not do the necessary patches after installing the game. I installed Titanium using another guide and that site did not instruct to do the patches and had these problems.
Go here (same as Getting Started link from main page)
http://www.project1999.org/forums/showthread.php?t=2651
As stated the lifts issue is not related to this, happens to everyone. Just click it three or four times and it should work
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