From 2a95f1fe16a3ff87155c0fc56adf4210b89f512e Mon Sep 17 00:00:00 2001
From: Anuken <arnukren@gmail.com>
Date: Mon, 15 Jul 2024 10:24:30 -0400
Subject: [PATCH] Possible stack conveyor freeze fix

---
 core/src/mindustry/world/blocks/distribution/StackConveyor.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/mindustry/world/blocks/distribution/StackConveyor.java b/core/src/mindustry/world/blocks/distribution/StackConveyor.java
index 334261712e..5e91d18ee6 100644
--- a/core/src/mindustry/world/blocks/distribution/StackConveyor.java
+++ b/core/src/mindustry/world/blocks/distribution/StackConveyor.java
@@ -280,7 +280,7 @@ public class StackConveyor extends Block implements Autotiler{
             if(!enabled) return;
 
             if(state == stateUnload){ //unload
-                while(lastItem != null && (!outputRouter ? moveForward(lastItem) : dump(lastItem))){
+                while(lastItem != null && items.has(lastItem) && !outputRouter ? moveForward(lastItem) : dump(lastItem)){
                     if(!outputRouter){
                         items.remove(lastItem, 1);
                     }