From ff68a5182aa931499576ffdc563627dc1237486d Mon Sep 17 00:00:00 2001
From: Gerrygames <gecam59@gmail.com>
Date: Mon, 28 Jan 2019 14:45:52 +0100
Subject: [PATCH] fix ConcurrentModificationException

---
 .../protocol1_12_2to1_13/packets/BlockItemPackets1_13.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/BlockItemPackets1_13.java b/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/BlockItemPackets1_13.java
index 2e211f3c..e95b096f 100644
--- a/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/BlockItemPackets1_13.java
+++ b/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/BlockItemPackets1_13.java
@@ -634,7 +634,7 @@ public class BlockItemPackets1_13 extends BlockItemRewriter<Protocol1_12_2To1_13
                 ListTag noMapped = new ListTag(NBT_TAG_NAME + "|Enchantments", CompoundTag.class);
                 ListTag ench = new ListTag("ench", CompoundTag.class);
                 List<Tag> lore = new ArrayList<>();
-                for (Tag enchantmentEntry : enchantments) {
+                for (Tag enchantmentEntry : enchantments.clone()) {
                     if (enchantmentEntry instanceof CompoundTag) {
                         CompoundTag enchEntry = new CompoundTag("");
                         String newId = (String) ((CompoundTag) enchantmentEntry).get("id").getValue();