NullPOinterException

[vatbub]

Reporter name: vatbub Reporter email: [email protected] Log location: zorkGameEditor/logs/log_zorkGameEditor_2017-12-09_15-17-31.xml Screenshot location: zorkGameEditor/screenshots/screenshot_zorkGameEditor_2017-12-09_15-17-31.png Exception stacktrace: java.lang.Throwable at view.RoomRectangle.moveRooms(RoomRectangle.java:417) at view.RoomRectangle.updateNameLabelPosition(RoomRectangle.java:461) at com.sun.javafx.application.PlatformImpl.lambda$null$172(PlatformImpl.java:295) at java.security.AccessController.doPrivileged(Native Method) at com.sun.javafx.application.PlatformImpl.lambda$runLater$173(PlatformImpl.java:294) at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95) at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177) at java.lang.Thread.run(Unknown Source)

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DESCRIPTION: Create a world -> File -> New World