From 39a5f0adc6d8c688f6378a61199963bc4f8f2f27 Mon Sep 17 00:00:00 2001
From: DrParadox7 <gustavo.caliari@live.com>
Date: Thu, 30 Jul 2026 15:24:30 +0200
Subject: [PATCH] NPE check on onChunkUnload

---
 .../java/codechicken/lib/world/WorldExtensionManager.java    | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/codechicken/lib/world/WorldExtensionManager.java b/src/main/java/codechicken/lib/world/WorldExtensionManager.java
index 8971ff0..ce26b8a 100644
--- a/src/main/java/codechicken/lib/world/WorldExtensionManager.java
+++ b/src/main/java/codechicken/lib/world/WorldExtensionManager.java
@@ -55,7 +55,10 @@ public void onChunkLoad(ChunkEvent.Load event) {
         public void onChunkUnLoad(ChunkEvent.Unload event) {
             if (event.getChunk() instanceof EmptyChunk) return;
 
-            for (WorldExtension extension : worldMap.get(event.world)) extension.unloadChunk(event.getChunk());
+            WorldExtension[] extensions = worldMap.get(event.world);
+            if (extensions == null) return;
+
+            for (WorldExtension extension : extensions) extension.unloadChunk(event.getChunk());
 
             if (event.world.isRemote) removeChunk(event.world, event.getChunk());
         }