Çözüldü YARDIM

org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot.jar:git-Spigot-21fe707-e1ebe52]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-21fe707-e1ebe52]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.minecraft.server.v1_8_R3.PlayerList.disconnect(PlayerList.java:348) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:871) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.minecraft.server.v1_8_R3.PlayerConnection.disconnect(PlayerConnection.java:183) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.kickPlayer(CraftPlayer.java:217) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.craftminecraft.bukkit.ipwhitelist.PlayerListener$1.run(PlayerListener.java:47) [ipwhitelist-1.7-3.jar:?]
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot.jar:git-Spigot-21fe707-e1ebe52]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_151]
Caused by: java.lang.NullPointerException
    at me.java9.items.nms.ItemSpawner_1_8_R3.setItemSpawner(ItemSpawner_1_8_R3.java:22) ~[?:?]
    at me.java9.items.listeners.spawner.ItemSpawnerListener.f(ItemSpawnerListener.java:109) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_151]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_151]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_151]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot.jar:git-Spigot-21fe707-e1ebe52]
    ... 15 more

command /adakit:
    trigger:
        if {1kere.%player%} isn't set:
            execute console command "itemsp ver %player% demir 2"
            execute console command "tm message %player% &dM&fS &bAdakit Verildi."
            give 128 diamond block to player
            give 1 diamond helmet to player
            give 1 diamond chestplate to player
            give 1 diamond leggings to player
            give 1 diamond boots to player
            give 1 diamond sword to player
            give 1 diamond pickaxe to player
            give 1 diamond axe to player
            give 1 diamond shovel to player
            set {1kere.%player%} to "1"
            send "&dMiksas&fSky: &bAda kit itemleri verildi!" to player
            stop
        else:
            send "&dMiksas&fSky: &bBu kit 1 kerelik kullanılır!" to player