From 12ce26c2c3e6bb693f460c63d9018be8b3ec6933 Mon Sep 17 00:00:00 2001
From: Clayel <videogamer0907@gmail.com>
Date: Mon, 6 Jul 2026 00:56:48 -0400
Subject: [PATCH] fix nre

---
 RasterPropMonitor/Core/RasterPropMonitor.cs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/RasterPropMonitor/Core/RasterPropMonitor.cs b/RasterPropMonitor/Core/RasterPropMonitor.cs
index a8410907..2dafee0b 100644
--- a/RasterPropMonitor/Core/RasterPropMonitor.cs
+++ b/RasterPropMonitor/Core/RasterPropMonitor.cs
@@ -310,8 +310,11 @@ public void OnDestroy()
             {
                 Destroy(screenMat);
             }
-            rpmComp.UnregisterResourceCallback(resourceName, ResourceDepletedCallback);
-            rpmComp.UnregisterVariableCallback("COMMNETVESSELCONTROLSTATE", CommConnectionCallback);
+            if (rpmComp != null)
+            {
+                rpmComp.UnregisterResourceCallback(resourceName, ResourceDepletedCallback);
+                rpmComp.UnregisterVariableCallback("COMMNETVESSELCONTROLSTATE", CommConnectionCallback);
+            }
         }
 
         private static void PlayClickSound(FXGroup audioOutput)