Hello Stencylers ! I was upgrading a
KIT from 3.2 or 3.1 to 3.3.1(3.4) and right after the unexpected error came back

!
It only happens when I try to upgrade a
kit . Full Logs attached at bottom of post .
Details :
Unexpected problem on thread AWT-EventQueue-0: java.lang.NullPointerException
java.lang.RuntimeException: java.lang.NullPointerException
at stencyl.sw.app.tasks.StencylWorker.done(StencylWorker.java:74)
at stencyl.sw.app.tasks.StencylWorker.done(StencylWorker.java:54)
at javax.swing.SwingWorker$5.run(Unknown Source)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)
at sun.swing.AccumulativeRunnable.run(Unknown Source)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)
at javax.swing.Timer.fireActionPerformed(Unknown Source)
at javax.swing.Timer$DoPostEvent.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at stencyl.sw.io.write.resource.SceneWriter.writeXML(SceneWriter.java:576)
at stencyl.sw.io.write.resource.SceneWriter.write(SceneWriter.java:76)
at stencyl.sw.app.tasks.UpdateScenesTask.doInBackground(UpdateScenesTask.java:39)
at stencyl.sw.app.tasks.UpdateScenesTask.doInBackground(UpdateScenesTask.java:12)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)