From dea71358aed120295ac7542092f6c2d7f110a5c9 Mon Sep 17 00:00:00 2001
From: BONNe <bonne@bonne.id.lv>
Date: Sun, 11 Aug 2019 18:12:56 +0300
Subject: [PATCH] Update Utils.java

Avoid null-pointer issue if given item-list contains null elements.
The issue is still that list contains these elements.
---
 src/main/java/world/bentobox/challenges/utils/Utils.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/world/bentobox/challenges/utils/Utils.java b/src/main/java/world/bentobox/challenges/utils/Utils.java
index ecc4ecd..802c822 100644
--- a/src/main/java/world/bentobox/challenges/utils/Utils.java
+++ b/src/main/java/world/bentobox/challenges/utils/Utils.java
@@ -29,7 +29,7 @@ public class Utils
 		// items are in players inventory.
 		for (ItemStack item : requiredItems)
 		{
-			boolean isUnique = true;
+			boolean isUnique = item != null;
 
 			int i = 0;
 			final int requiredSize = returnItems.size();
@@ -49,7 +49,7 @@ public class Utils
 				i++;
 			}
 
-			if (isUnique)
+			if (isUnique && item != null)
 			{
 				// The same issue as in other places. Clone prevents from changing original item.
 				returnItems.add(item.clone());