From 0775ef9c97813d127bf8ce5b3bbfc269f7e2498b Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Fri, 9 Mar 2018 23:33:27 -0500
Subject: [PATCH] Core\Aura: Fixed Collection was modified error (i'm sure
 there is more, trying to cut down on lists having to be copied)

---
 Source/Game/Entities/Unit/Unit.Spells.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/Game/Entities/Unit/Unit.Spells.cs b/Source/Game/Entities/Unit/Unit.Spells.cs
index cb054d300..c1d3e3883 100644
--- a/Source/Game/Entities/Unit/Unit.Spells.cs
+++ b/Source/Game/Entities/Unit/Unit.Spells.cs
@@ -3394,8 +3394,10 @@ namespace Game.Entities
         }
         public void RemoveAurasDueToItemSpell(uint spellId, ObjectGuid castItemGuid)
         {
-            foreach (var app in m_appliedAuras.LookupByKey(spellId))
+            var appliedAuras = m_appliedAuras.LookupByKey(spellId);
+            for (var i = 0; i < appliedAuras.Count; ++i)
             {
+                AuraApplication app = appliedAuras[i];
                 if (app.GetBase().GetCastItemGUID() == castItemGuid)
                 {
                     RemoveAura(app);