From 8561e0cddc0eb51cf9ed91770fe18351c34bc185 Mon Sep 17 00:00:00 2001
From: jglrxavpok <jglrxavpok@gmail.com>
Date: Fri, 16 Oct 2020 12:39:17 +0200
Subject: [PATCH] Fix exception when reading compass with no lodestone linked
 to it

---
 .../java/net/minestom/server/item/metadata/CompassMeta.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/net/minestom/server/item/metadata/CompassMeta.java b/src/main/java/net/minestom/server/item/metadata/CompassMeta.java
index 4a88d7e45..b3ba94e26 100644
--- a/src/main/java/net/minestom/server/item/metadata/CompassMeta.java
+++ b/src/main/java/net/minestom/server/item/metadata/CompassMeta.java
@@ -83,7 +83,9 @@ public class CompassMeta implements ItemMeta {
     @Override
     public void write(NBTCompound compound) {
         compound.setByte("LodestoneTracked", (byte) (lodestoneTracked ? 1 : 0));
-        compound.setString("LodestoneDimension", lodestoneDimension);
+        if(lodestoneDimension != null) {
+            compound.setString("LodestoneDimension", lodestoneDimension);
+        }
 
         {
             NBTCompound posCompound = new NBTCompound();