predefined-item:
에서 type:  에  아이템 ID 나 코드를 적었을때 오류가 발생합니다.
어떻게 해결할 수 있나요?

predefined-items:
    A:
        type: "268"
        name: "A"
        lore:
        attributes:
            attr1: "generic.attackDamage 2 add"
            attr2: "generic.movementSpeed 0 add"
            attr3: "generic.knockbackResistance 0 add"
            attr4: "generic.maxHealth 0 add"

에러파일

java.lang.NullPointerException
    at com.nisovin.magicspells.zones.NoMagicZoneManager.turnOff(NoMagicZoneManager.java:125)
    at com.nisovin.magicspells.MagicSpells.unload(MagicSpells.java:1161)
    at com.nisovin.magicspells.CastCommand.onCommand(CastCommand.java:64)
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181)
    at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:767)
    at net.minecraft.server.v1_7_R4.PlayerConnection.handleCommand(PlayerConnection.java:1043)
    at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:880)
    at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28)
    at net.minecraft.server.v1_7_R4.PacketPlayInChat.handle(PacketPlayInChat.java:65)
    at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186)
    at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81)
    at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734)
    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)

Server version: git-Spigot-1.7.9-R0.2-208-ge0f2e95 (MC: 1.7.10)
MagicSpells version: 3.5-dev-1603090833