[20:58:23 WARN]: Error enabling plugin Minefana
java.lang.reflect.InvocationTargetException: null
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_161]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_161]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_161]
        at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_161]
        at net.md_5.bungee.api.plugin.PluginManager.enablePlugin(PluginManager.java:339) ~[Waterfall(1).jar:git:Waterfall-Bootstrap:1.13-SNAPSHOT:c75d366:193]
        at net.md_5.bungee.api.plugin.PluginManager.loadPlugins(PluginManager.java:246) ~[Waterfall(1).jar:git:Waterfall-Bootstrap:1.13-SNAPSHOT:c75d366:193]
        at net.md_5.bungee.BungeeCord.start(BungeeCord.java:271) ~[Waterfall(1).jar:git:Waterfall-Bootstrap:1.13-SNAPSHOT:c75d366:193]
        at net.md_5.bungee.BungeeCordLauncher.main(BungeeCordLauncher.java:56) ~[Waterfall(1).jar:git:Waterfall-Bootstrap:1.13-SNAPSHOT:c75d366:193]
        at net.md_5.bungee.Bootstrap.main(Bootstrap.java:15) ~[Waterfall(1).jar:git:Waterfall-Bootstrap:1.13-SNAPSHOT:c75d366:193]
Caused by: java.lang.NullPointerException
        at com.github.games647.minefana.MinefanaBungee.<init>(MinefanaBungee.java:21) ~[?:?]
        ... 9 more