java.lang.RuntimeException

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  • runtime resources not found?
    via by 807599,
    • java.lang.RuntimeException: JOptionPane: type must be one of JOptionPane.ERROR_MESSAGE, JOptionPane.INFORMATION_MESSAGE, JOptionPane.WARNING_MESSAGE, JOptionPane.QUESTION_MESSAGE or JOptionPane.PLAIN_MESSAGE at javax.swing.JOptionPane.setMessageType(JOptionPane.java:2083)
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