From 3d1db2d555a66545aec5ec950170f75a74685deb Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Thu, 4 Aug 2022 23:04:11 -0400
Subject: [PATCH] Core/LFG: Filter out lfg dungeons that have invalid
 map/difficulty pairs

Port From (https://github.com/TrinityCore/TrinityCore/commit/f44ee96682548960742e6275de337b4eb90330a8)
---
 Source/Game/DungeonFinding/LFGManager.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/Game/DungeonFinding/LFGManager.cs b/Source/Game/DungeonFinding/LFGManager.cs
index 66f202c80..ee822827c 100644
--- a/Source/Game/DungeonFinding/LFGManager.cs
+++ b/Source/Game/DungeonFinding/LFGManager.cs
@@ -176,6 +176,9 @@ namespace Game.DungeonFinding
             // Initialize Dungeon map with data from dbcs
             foreach (var dungeon in CliDB.LFGDungeonsStorage.Values)
             {
+                if (Global.DB2Mgr.GetMapDifficultyData((uint)dungeon.MapID, dungeon.DifficultyID) == null)
+                    continue;
+
                 switch (dungeon.TypeID)
                 {
                     case LfgType.Dungeon: