From b47c79c77a32ba5a7c835bc0ba3d00c3c5004916 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Wed, 26 Apr 2017 15:45:52 +1000
Subject: [PATCH] Skip invalid enchants in CraftMetaItem

By: md_5 <git@md-5.net>
---
 .../java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index 0ad60e84e3..65b584488c 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -358,7 +358,10 @@ class CraftMetaItem implements ItemMeta, Repairable {
             int id = 0xffff & ((NBTTagCompound) ench.get(i)).getShort(ENCHANTMENTS_ID.NBT);
             int level = 0xffff & ((NBTTagCompound) ench.get(i)).getShort(ENCHANTMENTS_LVL.NBT);
 
-            enchantments.put(Enchantment.getById(id), level);
+            Enchantment enchant = Enchantment.getById(id);
+            if (enchant != null) {
+                enchantments.put(enchant, level);
+            }
         }
 
         return enchantments;