java.lang.NullPointerException: This exception has no message.

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via GitHub by DanielBoudreau
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at jmri.jmrix.ConnectionConfigManager$ConnectionTypeManager.getConnectionTypes(ConnectionConfigManager.java:328)	at jmri.jmrix.ConnectionConfigManager.getConnectionTypes(ConnectionConfigManager.java:231)	at jmri.jmrix.JmrixConfigPane.(JmrixConfigPane.java:214)	at jmri.jmrix.JmrixConfigPane.createPanel(JmrixConfigPane.java:88)	at jmri.jmrix.JmrixConfigPane.instance(JmrixConfigPane.java:59)	at jmri.jmrix.swing.ConnectionsPreferencesPanel.(ConnectionsPreferencesPanel.java:72)	at jmri.jmrix.swing.ConnectionsPreferencesPanel.(ConnectionsPreferencesPanel.java:85)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)	at java.lang.Class.newInstance(Class.java:438)	at apps.gui3.TabbedPreferences.init(TabbedPreferences.java:172)	at apps.Apps$3.run(Apps.java:379)	at java.lang.Thread.run(Thread.java:745)