From 5cd111d210435e5c5c8c158557d866f7d89a3dab Mon Sep 17 00:00:00 2001
From: Leon Friedrich <60421075+ElectroJr@users.noreply.github.com>
Date: Fri, 28 Oct 2022 10:00:30 +1300
Subject: [PATCH] Fix lag compensation exception (#12243)

---
 Content.Server/Movement/Systems/LagCompensationSystem.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Content.Server/Movement/Systems/LagCompensationSystem.cs b/Content.Server/Movement/Systems/LagCompensationSystem.cs
index 6ffd55c6b9..9b30372696 100644
--- a/Content.Server/Movement/Systems/LagCompensationSystem.cs
+++ b/Content.Server/Movement/Systems/LagCompensationSystem.cs
@@ -57,6 +57,9 @@ public sealed class LagCompensationSystem : EntitySystem
 
     private void OnLagMove(EntityUid uid, LagCompensationComponent component, ref MoveEvent args)
     {
+        if (!args.NewPosition.EntityId.IsValid())
+            return; // probably being sent to nullspace for deletion.
+
         EnsureComp<ActiveLagCompensationComponent>(uid);
         component.Positions.Enqueue((_timing.CurTime, args.NewPosition, args.NewRotation));
     }