Could not pass event EntityDamageByEntityEvent to Skript v2.1.1
java.lang.NoSuchMethodError: org.bukkit.entity.Projectile.getShooter()Lorg/bukkit/projectiles/ProjectileSource;
        at ch.njol.skript.expressions.ExprAttacker.getAttacker(ExprAttacker.java:84) ~[?:?]
        at ch.njol.skript.expressions.ExprAttacker.get(ExprAttacker.java:75) ~[?:?]
        at ch.njol.skript.expressions.ExprAttacker.get(ExprAttacker.java:1) ~[?:?]
        at ch.njol.skript.lang.util.SimpleExpression.getArray(SimpleExpression.java:101) ~[?:?]
        at ch.njol.skript.lang.VariableString.toString(VariableString.java:378) ~[?:?]
        at ch.njol.skript.lang.Variable.getRaw(Variable.java:177) ~[?:?]
        at ch.njol.skript.lang.Variable.get(Variable.java:189) ~[?:?]
        at ch.njol.skript.lang.Variable.getConverted(Variable.java:309) ~[?:?]
        at ch.njol.skript.lang.Variable.getAll(Variable.java:507) ~[?:?]
        at ch.njol.skript.conditions.CondIsSet.check(CondIsSet.java:77) ~[?:?]
        at ch.njol.skript.conditions.CondIsSet.check(CondIsSet.java:83) ~[?:?]
        at ch.njol.skript.lang.Condition.run(Condition.java:58) ~[?:?]
        at ch.njol.skript.lang.Conditional.walk(Conditional.java:51) ~[?:?]
        at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:91) ~[?:?]
        at ch.njol.skript.lang.Trigger.execute(Trigger.java:53) ~[?:?]
        at ch.njol.skript.SkriptEventHandler.check(SkriptEventHandler.java:149) ~[?:?]
        at ch.njol.skript.SkriptEventHandler$1.execute(SkriptEventHandler.java:109) ~[?:?]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:481) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:466) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:94) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:382) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:410) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.EntityLiving.damageEntity(EntityLiving.java:656) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.EntityHuman.damageEntity(EntityHuman.java:746) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.EntityPlayer.damageEntity(EntityPlayer.java:446) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.EntityArrow.h(EntityArrow.java:228) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.World.entityJoinedWorld(World.java:1338) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.World.playerJoinedWorld(World.java:1319) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.World.tickEntities(World.java:1207) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.WorldServer.tickEntities(WorldServer.java:480) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:637) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [minecraft_server.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
[19:21:02 INFO]: Set score of pkt for player MrForst12345 to 970
[19:21:02 INFO]: MrForst12345 fell from a high place
[19:21:05 INFO]: GamerHD: /spawn
[19:21:05 INFO]: khaled1008 issued server command: /login khaled1234566
[19:21:05 INFO]: [AuthMe] khaled1008 logged in!
[19:21:07 INFO]: Niszczyciel5000 issued server command: /login minecraft
[19:21:07 INFO]: [AuthMe] Niszczyciel5000 logged in!
[19:21:07 INFO]: Set score of pkt for player Haskus to 1040
[19:21:07 INFO]: Haskus fell from a high place
[19:21:09 INFO]: Kuba1234: /spawn
[19:21:10 INFO]: Fosciu issued server command: /kit
[19:21:10 INFO]: krystian124 issued server command: /home
[19:21:10 INFO]: david0001: /spawn
[19:21:11 INFO]: dudy24: /spawn
[19:21:11 INFO]: Haskus issued server command: /
[19:21:12 INFO]: Set score of pkt for player Kacper150150 to 970
[19:21:12 INFO]: Kacper150150 fell from a high place
[19:21:12 INFO]: Reigns issued server command: /m TPG13 zrob enchant tu xD
[19:21:14 INFO]: MuzdiPL issued server command: /v
[19:21:15 WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2662ms behind, skipping 53 tick(s)
[19:21:17 INFO]: kamil12345319 issued server command: /home
[19:21:18 INFO]: khaled1008 issued server command: /home
[19:21:20 INFO]: Set score of pkt for player alibali2332 to 870
[19:21:20 INFO]: alibali2332 fell from a high place
[19:21:20 INFO]: dudy24 issued server command: /kit start
[19:21:20 INFO]: Fosciu issued server command: /kit start
[19:21:21 INFO]: mineshaft issued server command: /tpa krystian124
[19:21:21 INFO]: Woiak issued server command: /tpa dawidkorona
[19:21:22 INFO]: krystian124 issued server command: /tpaccept
[19:21:28 INFO]: Alexminecraft333: /SPAWN