It doesnt let me upload my image

Guys i dont know where i should ask for help so i ask here...

I have this when i am trying to upload a pic called 'startup menu' and it is 200 x 100 and i am making a phone game 480 x 320:

Unexpected problem on thread AWT-EventQueue-0: null
java.lang.NullPointerException
   at java.io.ByteArrayInputStream.<init>(Unknown Source)
   at stencyl.sw.util.FileHelper.readXMLFromBase64String(FileHelper.java:487)
   at stencyl.sw.app.App.dropInResource(App.java:2589)
   at stencyl.sw.app.App.dropInResource(App.java:2575)
   at stencyl.sw.app.App.importResource(App.java:2569)
   at stencyl.sw.app.App.actionPerformed(App.java:468)
   at stencyl.sw.actions.ActionManager.actionPerformed(ActionManager.java:65)
   at stencyl.sw.actions.SAction.actionPerformed(SAction.java:121)
   at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
   at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
   at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
   at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
   at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
   at java.awt.Component.processMouseEvent(Unknown Source)
   at javax.swing.JComponent.processMouseEvent(Unknown Source)
   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)

Please post your full logs (Debug -> Logs -> Generate Logs).

And what do you mean by "upload", are you importing the image for an actor, or copy/pasting it, or something else?