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via Stack Overflow by Martyn
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at org.jdatepicker.impl.JDatePanelImpl$InternalView.getPreviousMonthButton(JDatePanelImpl.java:517)	at org.jdatepicker.impl.JDatePanelImpl$InternalView.getPreviousButtonPanel(JDatePanelImpl.java:442)	at org.jdatepicker.impl.JDatePanelImpl$InternalView.getNorthPanel(JDatePanelImpl.java:251)	at org.jdatepicker.impl.JDatePanelImpl$InternalView.initialise(JDatePanelImpl.java:234)	at org.jdatepicker.impl.JDatePanelImpl$InternalView.(JDatePanelImpl.java:222)	at org.jdatepicker.impl.JDatePanelImpl.(JDatePanelImpl.java:110)	at biz.martyn.budget.NewTransactionDialog.(NewTransactionDialog.java:54)	at biz.martyn.budget.TransactionsToolbar.(TransactionsToolbar.java:34)	at biz.martyn.budget.Budget.main(Budget.java:39)