#127 Can't Open

[Anonymous]

I can't open Cronometer. I get this error message:

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(Unknown Source)
at java.util.ArrayList.get(Unknown Source)
at ca.spaz.cron.user.UserManager.getLastUser(UserManager.java:82)
at ca.spaz.cron.user.UserManager.<init>(UserManager.java:72)
at ca.spaz.cron.user.UserManager.getUserManager(UserManager.java:62)
at ca.spaz.cron.ui.SplashScreen.getCheckForUpdatesBox(SplashScreen.java:160)
at ca.spaz.cron.ui.SplashScreen.getMainPanel(SplashScreen.java:86)
at ca.spaz.cron.ui.SplashScreen.<init>(SplashScreen.java:43)
at ca.spaz.cron.CRONOMETER.main(CRONOMETER.java:584)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)

Any advice?