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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.onEntityDamage(PlayerListener.java:266)	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor81.execute(Unknown Source)	at org.bukkit.plugin.EventExecutor$1.execute(EventExecutor.java:44)	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517)	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502)	at org.bukkit.craftbukkit.v1_10_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:89)	at org.bukkit.craftbukkit.v1_10_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:572)	at org.bukkit.craftbukkit.v1_10_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:479)	at org.bukkit.craftbukkit.v1_10_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:604)	at net.minecraft.server.v1_10_R1.EntityLiving.damageEntity0(EntityLiving.java:1258)	at net.minecraft.server.v1_10_R1.EntityHuman.damageEntity0(EntityHuman.java:867)	at net.minecraft.server.v1_10_R1.EntityLiving.damageEntity(EntityLiving.java:850)	at net.minecraft.server.v1_10_R1.EntityHuman.damageEntity(EntityHuman.java:792)	at net.minecraft.server.v1_10_R1.EntityPlayer.damageEntity(EntityPlayer.java:515)	at net.citizensnpcs.npc.entity.EntityHumanNPC.damageEntity(EntityHumanNPC.java:121)	at net.minecraft.server.v1_10_R1.EntityHuman.attack(EntityHuman.java:1029)	at net.minecraft.server.v1_10_R1.EntityPlayer.attack(EntityPlayer.java:1171)	at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:1616)	at net.minecraft.server.v1_10_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:48)	at net.minecraft.server.v1_10_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:5)	at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45)	at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:796)	at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:403)	at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:730)	at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:629)	at java.lang.Thread.run(Thread.java:745)