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java.lang.NullPointerException: 	at vg.civcraft.mc.citadel.listener.ShardListener.serverChange(ShardListener.java:40)	at sun.reflect.GeneratedMethodAccessor356.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)