From 0993394fd81b2f5f63810b2b24cc1b62926ea0e1 Mon Sep 17 00:00:00 2001
From: wrexbe <81056464+wrexbe@users.noreply.github.com>
Date: Tue, 17 May 2022 21:40:27 -0700
Subject: [PATCH] Prevent pathfinding crash (#8251)

---
 Content.Server/AI/Pathfinding/PathfindingNode.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Content.Server/AI/Pathfinding/PathfindingNode.cs b/Content.Server/AI/Pathfinding/PathfindingNode.cs
index d99bdc3511..b11c809e07 100644
--- a/Content.Server/AI/Pathfinding/PathfindingNode.cs
+++ b/Content.Server/AI/Pathfinding/PathfindingNode.cs
@@ -255,7 +255,7 @@ namespace Content.Server.AI.Pathfinding
                 // Which may or may not be intended?
                 if (entMan.TryGetComponent(entity, out AccessReaderComponent? accessReader) && !_accessReaders.ContainsKey(entity))
                 {
-                    _accessReaders.Add(entity, accessReader);
+                    _accessReaders.TryAdd(entity, accessReader);
                     ParentChunk.Dirty();
                 }
                 return;
@@ -265,11 +265,11 @@ namespace Content.Server.AI.Pathfinding
 
             if (physicsComponent.BodyType != BodyType.Static)
             {
-                _physicsLayers.Add(entity, physicsComponent.CollisionLayer);
+                _physicsLayers.TryAdd(entity, physicsComponent.CollisionLayer);
             }
             else
             {
-                _blockedCollidables.Add(entity, physicsComponent.CollisionLayer);
+                _blockedCollidables.TryAdd(entity, physicsComponent.CollisionLayer);
                 GenerateMask();
                 ParentChunk.Dirty();
             }