I get the following Exception when running my java application on my Nokia 9210. It works fine in the Emulator. Anyone has any ideas?

Fatal error: java.awt.AWTError: TextField creation failed -4
Quitting...
java.awt.AWTError: TextField creation failed -4
at sun.awt.Epoc32ComponentPeer.<init>()
at sun.awt.eikon.EikTextAreaPeer.<init>()
at sun.awt.eikon.EikTextFieldPeer.<init>()
at sun.awt.eikon.EikToolkit.createTextField()
at java.awt.TextField.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.Panel.addNotify()
at java.awt.Container.addNotify()
at java.awt.ScrollPane.addNotify()
at java.awt.Container.addNotify()
at java.awt.Window.addNotify()
at java.awt.Frame.addNotify()
at java.awt.Window.pack()
at rodos.gui.RodosClientFrame.initGUI()
at rodos.gui.RodosClientFrame.<init>()
at rodos.gui.RodosClient.createFrame()
at rodos.gui.RodosClient.startup()
at rodos.gui.RodosClient.main()