From 91874ffc3b802dae09d79750f6cb41ff7d79120b Mon Sep 17 00:00:00 2001
From: KennyTV <jahnke.nassim@gmail.com>
Date: Wed, 16 Jun 2021 13:58:49 +0200
Subject: [PATCH] More bandaid

---
 .../viabackwards/api/rewriters/LegacyBlockItemRewriter.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/src/main/java/com/viaversion/viabackwards/api/rewriters/LegacyBlockItemRewriter.java b/common/src/main/java/com/viaversion/viabackwards/api/rewriters/LegacyBlockItemRewriter.java
index 58917ed5..89accd86 100644
--- a/common/src/main/java/com/viaversion/viabackwards/api/rewriters/LegacyBlockItemRewriter.java
+++ b/common/src/main/java/com/viaversion/viabackwards/api/rewriters/LegacyBlockItemRewriter.java
@@ -174,6 +174,8 @@ public abstract class LegacyBlockItemRewriter<T extends BackwardsProtocol> exten
             tags.put(pos, tag);
 
             // Handle given Block Entities
+            if (pos.getY() < 0) continue; // 1.17
+
             ChunkSection section = chunk.getSections()[pos.getY() >> 4];
             if (section == null) continue;