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java.lang.IllegalStateException: Can't retrieve player session from offline player!	at com.lenis0012.bukkit.loginsecurity.session.SessionManager.getPlayerSession(SessionManager.java:41)	at com.lenis0012.bukkit.loginsecurity.modules.general.PlayerListener.onFoodLevelChange(PlayerListener.java:256)	at sun.reflect.GeneratedMethodAccessor23.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)	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 org.bukkit.craftbukkit.v1_10_R1.event.CraftEventFactory.callFoodLevelChangeEvent(CraftEventFactory.java:661)	at net.minecraft.server.v1_10_R1.MobEffectList.tick(MobEffectList.java:75)	at net.minecraft.server.v1_10_R1.MobEffect.b(SourceFile:111)	at net.minecraft.server.v1_10_R1.MobEffect.tick(SourceFile:98)	at net.minecraft.server.v1_10_R1.EntityLiving.tickPotionEffects(EntityLiving.java:532)	at net.citizensnpcs.npc.entity.EntityHumanNPC.m(EntityHumanNPC.java:283)	at net.minecraft.server.v1_10_R1.World.entityJoinedWorld(World.java:1629)	at net.minecraft.server.v1_10_R1.World.g(World.java:1604)	at net.citizensnpcs.util.PlayerUpdateTask.run(PlayerUpdateTask.java:51)	at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:71)	at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)	at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:728)	at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:399)	at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:673)	at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:572)	at java.lang.Thread.run(Thread.java:745)