From c4a0e18dd98de0b1ff0cb4ddf4ef729bee4ff0c3 Mon Sep 17 00:00:00 2001
From: Rsl1122 <djrapitops@hotmail.com>
Date: Sun, 6 Jan 2019 21:42:07 +0200
Subject: [PATCH] Fixed ConcurrentModification on ConfigNode#remove

---
 .../djrapitops/plan/system/settings/config/ConfigNode.java   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Plan/common/src/main/java/com/djrapitops/plan/system/settings/config/ConfigNode.java b/Plan/common/src/main/java/com/djrapitops/plan/system/settings/config/ConfigNode.java
index f55d7b879..c03a77a72 100644
--- a/Plan/common/src/main/java/com/djrapitops/plan/system/settings/config/ConfigNode.java
+++ b/Plan/common/src/main/java/com/djrapitops/plan/system/settings/config/ConfigNode.java
@@ -126,8 +126,9 @@ public class ConfigNode {
         parent.nodeOrder.remove(key);
         updateParent(null);
 
-        for (ConfigNode child : childNodes.values()) {
-            child.remove();
+        for (String key : nodeOrder) {
+            ConfigNode child = childNodes.get(key);
+            if (child != null) child.remove();
         }
 
     }