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java.lang.NullPointerException: 	at br.net.fabiozumbi12.RedProtect.RPUtil.denyPotion(RPUtil.java:74)	at br.net.fabiozumbi12.RedProtect.listeners.RPPlayerListener.onBrewing(RPPlayerListener.java:105)	at sun.reflect.GeneratedMethodAccessor519.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)	at net.minecraft.server.v1_8_R3.TileEntityBrewingStand.o(TileEntityBrewingStand.java:153)	at net.minecraft.server.v1_8_R3.TileEntityBrewingStand.c(TileEntityBrewingStand.java:75)	at net.minecraft.server.v1_8_R3.World.tickEntities(World.java:1488)	at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(WorldServer.java:597)	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:786)	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654)	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557)	at java.lang.Thread.run(Thread.java:745)