03:16:32 [INFO] This error is logged only once: it could have occurred multiple times by now.
03:16:32 [INFO] Please contact one of the authors of plugin 'DarkBrotherhood': iMint
03:16:33 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.iMint.DarkBrotherhood.PlayerTracker
        at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
        at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        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.World.k(World.java:512)
        at net.minecraft.server.World.applyPhysics(World.java:496)
        at net.minecraft.server.World.update(World.java:461)
        at net.minecraft.server.World.setTypeId(World.java:433)
        at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
        at me.iMint.DarkBrotherhood.PlayerTracker.run(PlayerTracker.java:78)
        at org.bukkit.craftbukkit.scheduler.CraftWorker.run(CraftWorker.java:34)