paper

[13:44:17 FATAL]: Error executing task
java.lang.NullPointerException: null
        at org.bukkit.craftbukkit.v1_13_R2.inventory.CraftItemStack.addUnsafeEnchantment(CraftItemStack.java:199) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.ContainerEnchantTable.a(ContainerEnchantTable.java:279) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:2416) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.PacketPlayInEnchantItem.a(SourceFile:22) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.PacketPlayInEnchantItem.a(SourceFile:8) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:15) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.PlayerConnectionUtils$$Lambda$3081.0000000048033F70.run(Unknown Source) ~[?:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_202]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_202]
        at net.minecraft.server.v1_13_R2.SystemUtils.a(SystemUtils.java:108) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1011) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836) ~[patched_1.13.2.jar:git-Paper-"988887d2"]
        at java.lang.Thread.run(Thread.java:813) [?:1.8.0_202]
[13:44:17 INFO]: Eldrai issued server command: /warp spawn