java.lang.NullPointerException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

    • java.lang.NullPointerException at game.uno.model.UNODeckMain.notifyObservers(UNODeckMain.java:59) at game.uno.model.UNODeckMain.setThisUnoDeckMain(UNODeckMain.java:38) at game.uno.controller.UNOGameController.playGame(UNOGameController.java:88) at game.uno.swings.UnoGui$3.actionPerformed(UnoGui.java:144) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$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.Component.processMouseEvent(Unknown Source)
    No Bugmate found.