fix exception switching to advanced mode
java.lang.NullPointerException
null
lcmc.gui.resources.IPaddrInfo.checkResourceFields(IPaddrInfo.java:80)
lcmc.gui.ClusterBrowser.checkAccessOfEverything(ClusterBrowser.java:2589)
lcmc.utilities.Tools.checkAccessOfEverything(Tools.java:2488)
lcmc.gui.MainMenu$13$1.run(MainMenu.java:658)