Trying the free edition for the first time, I'm getting the following error when starting the client:

Exception in thread "main" java.lang.NoClassDefFoundError: com/adventnet/nms/uti
l/XMLDataReader
        at com.adventnet.servicedesk.server.utils.CommonUtil.getNode(CommonUtil.
java:24)
        at com.adventnet.servicedesk.server.utils.SDDataManager.readBuildData(SD
DataManager.java:96)
        at com.adventnet.servicedesk.server.utils.SDDataManager.<init>(SDDataMan
ager.java:66)
        at com.adventnet.servicedesk.server.utils.SDDataManager.getInstance(SDDa
taManager.java:85)
        at com.adventnet.servicedesk.server.utils.SDClientUtil.<init>(SDClientUt
il.java:27)
        at com.adventnet.servicedesk.server.utils.SDClientUtil.main(SDClientUtil
.java:79)
Caused by: java.lang.ClassNotFoundException: com.adventnet.nms.util.XMLDataReade
r
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 6 more