Plugin not working

[Jeffrey Fisher]

I try any of the various commands and I get the following error:

Argument for @NotNull parameter 'content' of com/intellij/notification/Notification. must not be null
java.lang.IllegalArgumentException: Argument for @NotNull parameter 'content' of com/intellij/notification/Notification. must not be null
at com.intellij.notification.Notification.(Notification.java)
at com.vexus2.cakestorm.ide.Actions.notification(Actions.java:16)
at com.vexus2.cakestorm.ide.Actions$SmartJump.actionPerformed(Actions.java:26)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$3.performAction(IdeKeyEventDispatcher.java:597)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:646)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.b(IdeKeyEventDispatcher.java:366)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.a(IdeKeyEventDispatcher.java:281)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:212)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:546)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:384)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)