AndroidRuntime E FATAL EXCEPTION: Thread-10413
9706 AndroidRuntime E java.lang.NullPointerException
9706 AndroidRuntime E at edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:769)
9706 AndroidRuntime E at net.fortuna.ical4j.model.TimeZoneRegistryImpl.getTimeZone(TimeZoneRegistryImpl.java:136)
9706 AndroidRuntime E at org.sufficientlysecure.ical.SaveCalendar.run(SaveCalendar.java:85)
9706 AndroidRuntime E at org.sufficientlysecure.ical.ui.dialogs.DialogTools$2.run(DialogTools.java:85)
9706 AndroidRuntime E at java.lang.Thread.run(Thread.java:856)
http://sourceforge.net/p/ical4j/discussion/368291/thread/24a3bcf8/