From 20c55f2d6bd4e183f0bf073b3193b09aa51b6cb3 Mon Sep 17 00:00:00 2001
From: Ka0rX <guillaume.martinf@gmail.com>
Date: Fri, 28 Oct 2022 21:56:23 +0200
Subject: [PATCH] Fixed bug for Inventory

---
 .../src/main/java/net/Indyuce/mmocore/gui/SkillTreeViewer.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/SkillTreeViewer.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/SkillTreeViewer.java
index 022af806..d3d38fc7 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/SkillTreeViewer.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/SkillTreeViewer.java
@@ -337,6 +337,9 @@ public class SkillTreeViewer extends EditableInventory {
 
         @Override
         public void whenClicked(InventoryClickContext event, InventoryItem item) {
+            if(event.getClickedItem()==null)
+                return;
+
             if (item.getFunction().equals("next-tree-list-page")) {
                 treeListPage++;
                 open();