Bossbar Error

java.lang.NoSuchMethodException: net.minecraft.server.v1_7_R4.PacketPlayOutEntityTeleport.<init>(int, int, int, int, byte, byte)
       at java.lang.Class.getConstructor0(Class.java:2810)
       at java.lang.Class.getConstructor(Class.java:1718)
       at net.dzikoysk.wildskript.collections.bossbar.BossHealthBar$FakeDragon.getTeleportPacket(BossHealthBar.java:163)
       at net.dzikoysk.wildskript.collections.bossbar.BossHealthBar.setStatusBar(BossHealthBar.java:54)
       at net.dzikoysk.wildskript.collections.bossbar.elemetns.EffDisplay.execute(EffDisplay.java:44)
       at ch.njol.skript.lang.Effect.run(Effect.java:50)
       at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:63)
       at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:91)
       at ch.njol.skript.effects.Delay$1.run(Delay.java:85)
       at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
       at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)
       at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:641)
       at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289)
       at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584)
       at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490)
       at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628)