I tried testing my game and got an error. Here's a message I've gotten:
Unexpected problem on thread AWT-EventQueue-0: null
java.lang.NullPointerException
at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1792)
at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1769)
at org.apache.commons.io.IOUtils.copy(IOUtils.java:1744)
at org.apache.commons.io.IOUtils.toByteArray(IOUtils.java:462)
at stencyl.core.lib.io.read.SceneReader.readDataForEditor(SceneReader.java:849)
at stencyl.core.lib.io.read.SceneReader.readData(SceneReader.java:873)
at stencyl.core.lib.io.read.SceneReader.read(SceneReader.java:337)
at stencyl.core.lib.scene.SceneModel.load(SceneModel.java:232)
at stencyl.sw.app.doc.Workspace.onDeleteResource(Workspace.java:979)
at stencyl.sw.app.doc.Workspace.broadcastEvent(Workspace.java:840)
at stencyl.sw.app.center.AbstractPage.delete(AbstractPage.java:1413)
at stencyl.sw.app.lists.AbstractList.mousePressed(AbstractList.java:379)
at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at stencyl.sw.app.lists.AbstractList.processMouseEvent(AbstractList.java:282)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(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.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.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)
Prior to this, I remember trying to create a scene but forgetting to set the tile size to 16x16. I tried to remove the scene but it won't go and instead just displays the above error message.