From 28f5f47d9d6e4deddd2696c0f15c562f9b282410 Mon Sep 17 00:00:00 2001
From: Leo Pham <wsrgs@proton.me>
Date: Sat, 29 Apr 2023 17:43:35 +1000
Subject: [PATCH] Try to fix ConcurrentModificationException (#107)

---
 src/main/java/com/yyon/grapplinghook/client/ClientSetup.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/yyon/grapplinghook/client/ClientSetup.java b/src/main/java/com/yyon/grapplinghook/client/ClientSetup.java
index 41c44ce..b85a983 100644
--- a/src/main/java/com/yyon/grapplinghook/client/ClientSetup.java
+++ b/src/main/java/com/yyon/grapplinghook/client/ClientSetup.java
@@ -62,7 +62,9 @@ public static KeyMapping createKeyBinding(KeyMapping k) {
 	@SubscribeEvent
 	public static void clientSetup(final FMLClientSetupEvent event) {
 	    instance = new ClientSetup();
-	    instance.onClientSetup();
+            // The onclientSetup method calls ItemProperties::register which is
+            // not thread-safe, so enqueue it.
+	    event.enqueueWork(instance::onClientSetup);
 	}
 	
 	private static class GrapplehookEntityRenderFactory implements EntityRendererProvider<GrapplehookEntity> {