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java.lang.NullPointerException at scanstation.LoginScreen.displayLogInInformation(LoginScreen.java:221) at scanstation.LoginScreen.jButton1_actionPerformed(LoginScreen.java:151) at scanstation.LoginScreen.passwordTextfield_actionPerformed(LoginScreen.java:256) at scanstation.LoginScreen$4.actionPerformed(LoginScreen.java:123) at javax.swing.JTextField.fireActionPerformed(JTextField.java:421) at javax.swing.JTextField.postActionEvent(JTextField.java:586)