Help with plug-in error.

[Gavatos]

Server version; Spigot 1.9
Add-ons: Protocollib, Vault, Projectkorra Core
Error:

Spoiler: ERROR

[01:28:14] [Server thread/INFO]: Gavatos issued server command: /bending
[01:39:40] [Server thread/WARN]: [ProjectKorra] Task #42 for ProjectKorra v1.8.7 generated an exception
java.lang.NoSuchMethodError: org.bukkit.entity.Player.getPotionEffect(Lorg/bukkit/potion/PotionEffectTypeLorg/bukkit/potion/PotionEffect;
at com.projectkorra.projectkorra.chiblocking.passive.ChiAgility.progress(ChiAgility.java:60) ~[?:?]
at com.projectkorra.projectkorra.ability.CoreAbility.progressAll(CoreAbility.java:234) ~[?:?]
at com.projectkorra.projectkorra.BendingManager.run(BendingManager.java:111) ~[?:?]
at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:729) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_191]
[01:39:40] [Server thread/WARN]: [ProjectKorra] Task #42 for ProjectKorra v1.8.7 generated an exception
java.lang.NoSuchMethodError: org.bukkit.entity.Player.getPotionEffect(Lorg/bukkit/potion/PotionEffectTypeLorg/bukkit/potion/PotionEffect;
at com.projectkorra.projectkorra.chiblocking.passive.ChiAgility.progress(ChiAgility.java:60) ~[?:?]
at com.projectkorra.projectkorra.ability.CoreAbility.progressAll(CoreAbility.java:234) ~[?:?]
at com.projectkorra.projectkorra.BendingManager.run(BendingManager.java:111) ~[?:?]
at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:729) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660) [spigot.jar:git-Spigot-d2036

[01:55:16] [Server thread/INFO]: Gavatos issued server command: /heal
[01:55:35] [Server thread/ERROR]: Could not pass event EntityBendingDeathEvent to ProjectKorra v1.8.7
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at com.projectkorra.projectkorra.util.DamageHandler.damageEntity(DamageHandler.java:60) [ProjectKorra-1.8.7.jar:?]
at com.projectkorra.projectkorra.util.DamageHandler.damageEntity(DamageHandler.java:95) [ProjectKorra-1.8.7.jar:?]
at com.projectkorra.projectkorra.firebending.util.FireDamageTimer.dealFlameDamage(FireDamageTimer.java:57) [ProjectKorra-1.8.7.jar:?]
at com.projectkorra.projectkorra.PKListener.onEntityDamageEvent(PKListener.java:468) [ProjectKorra-1.8.7.jar:?]
at sun.reflect.GeneratedMethodAccessor82.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_191]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_191]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:89) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:570) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:556) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:602) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.EntityLiving.damageEntity0(EntityLiving.java:1204) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.EntityLiving.damageEntity(EntityLiving.java:818) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.Entity.U(Entity.java:370) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.EntityLiving.U(EntityLiving.java:180) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.EntityInsentient.U(EntityInsentient.java:183) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.Entity.m(Entity.java:299) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.EntityLiving.m(EntityLiving.java:1695) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.EntityInsentient.m(EntityInsentient.java:243) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.World.entityJoinedWorld(World.java:1612) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.World.g(World.java:1587) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.World.tickEntities(World.java:1421) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.WorldServer.tickEntities(WorldServer.java:628) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:792) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559) [spigot.jar:git-Spigot-d20369f-7fc5cd8]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_191]
Caused by: java.lang.NullPointerException
at com.projectkorra.projectkorra.PKListener.onEntityBendingDeath(PKListener.java:741) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_191]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_191]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_191]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_191]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot.jar:git-Spigot-d20369f-7fc5cd8]
... 35 more
[01:56:30] [Server thread/INFO]: [0;33;22mThis server is running ProjectKorra version 1.8.7 for bending! Find out more at http://www.projectkorra.com![m[/CODE]

 

[Jackson]

Do you mind doing /pk debug and putting it into a pastebin, hastebin, or pastie and sending the link so that our development team can help you further? Also, this is the wrong section so I am moving it for you. @Gavatos

Thank you!