From 7a0f61a6e70e592b2cb35ae7ff4365207446cd42 Mon Sep 17 00:00:00 2001
From: blablubbabc <lukas@wirsindwir.de>
Date: Sat, 29 Jun 2019 19:54:50 +0200
Subject: [PATCH] SPIGOT-5122: Skip world#notify if sign has no world.

---
 nms-patches/TileEntitySign.patch | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nms-patches/TileEntitySign.patch b/nms-patches/TileEntitySign.patch
index 49ebfd13e9..dc61748c51 100644
--- a/nms-patches/TileEntitySign.patch
+++ b/nms-patches/TileEntitySign.patch
@@ -107,3 +107,12 @@
      }
  
      public EnumColor getColor() {
+@@ -126,7 +178,7 @@
+         if (enumcolor != this.getColor()) {
+             this.color = enumcolor;
+             this.update();
+-            this.world.notify(this.getPosition(), this.getBlock(), this.getBlock(), 3);
++            if (this.world != null) this.world.notify(this.getPosition(), this.getBlock(), this.getBlock(), 3); // CraftBukkit - skip notify if world is null (SPIGOT-5122)
+             return true;
+         } else {
+             return false;