[WARNING] Could not properly handle event PLAYER_KICK:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: com.fracturemc.plugins.warrant.WarrantProcess
	at org.bukkit.event.Listener.onPlayerKick(Listener:0)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
	at net.minecraft.server.NetServerHandler.disconnect(NetServerHandler.java:136)
	at org.bukkit.craftbukkit.entity.CraftPlayer.kickPlayer(CraftPlayer.java:215)
	at com.fracturemc.plugins.warrant.WarrantProcess.putInDefault(WarrantProcess.java:22)
	at com.fracturemc.plugins.warrant.WarrantProcess.run(WarrantProcess.java:115)
[INFO] This error is logged only once: it could have occurred multiple times by now.
[INFO] Please contact one of the authors of plugin 'Warrant': Ant59
[WARNING] Could not properly handle event PLAYER_QUIT:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: com.fracturemc.plugins.warrant.WarrantProcess
	at org.bukkit.event.Listener.onPlayerQuit(Listener:0)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
	at net.minecraft.server.ServerConfigurationManager.disconnect(ServerConfigurationManager.java:179)
	at net.minecraft.server.NetServerHandler.disconnect(NetServerHandler.java:158)
	at org.bukkit.craftbukkit.entity.CraftPlayer.kickPlayer(CraftPlayer.java:215)
	at com.fracturemc.plugins.warrant.WarrantProcess.putInDefault(WarrantProcess.java:22)
	at com.fracturemc.plugins.warrant.WarrantProcess.run(WarrantProcess.java:115)
[INFO] This error is logged only once: it could have occurred multiple times by now.
[INFO] Please contact one of the authors of plugin 'Warrant': Ant59
[Warrant 4.0.3] XXXXXXX was kicked for not being whitelisted
[SEVERE] Exception in thread "Thread-303"
[SEVERE] java.lang.NullPointerException
[SEVERE] 	at com.fracturemc.plugins.warrant.WarrantPermissionsHandler.setGroup(WarrantPermissionsHandler.java:86)
[SEVERE] 	at com.fracturemc.plugins.warrant.WarrantProcess.putInDefault(WarrantProcess.java:25)
[SEVERE] 	at com.fracturemc.plugins.warrant.WarrantProcess.run(WarrantProcess.java:115)
[SEVERE] 	at java.lang.Thread.run(Unknown Source)
[INFO] Connection reset