From 1c339e8b54c81669836f278e83051c34a58f46d1 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Fri, 11 Oct 2024 19:37:35 +0200
Subject: [PATCH] Null check input serializer version Fixes
 ViaVersion/ViaBackwards#896

---
 .../com/viaversion/viaversion/rewriter/ComponentRewriter.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/src/main/java/com/viaversion/viaversion/rewriter/ComponentRewriter.java b/common/src/main/java/com/viaversion/viaversion/rewriter/ComponentRewriter.java
index 59dd5a010..0070a0e74 100644
--- a/common/src/main/java/com/viaversion/viaversion/rewriter/ComponentRewriter.java
+++ b/common/src/main/java/com/viaversion/viaversion/rewriter/ComponentRewriter.java
@@ -360,7 +360,9 @@ public class ComponentRewriter<C extends ClientboundPacketType> implements com.v
             handleShowItem(connection, contentsTag, componentsTag);
             if (componentsTag != null) {
                 handleContainerContents(connection, componentsTag);
-                handleWrittenBookContents(connection, componentsTag);
+                if (inputSerializerVersion() != null) {
+                    handleWrittenBookContents(connection, componentsTag);
+                }
 
                 handleItemArrayContents(connection, componentsTag, "bundle_contents");
                 handleItemArrayContents(connection, componentsTag, "charged_projectiles");