diff --git a/Packages/nadena.dev.modular-avatar/Editor/AvatarProcessor.cs b/Packages/nadena.dev.modular-avatar/Editor/AvatarProcessor.cs
index 81e77e8b..bb23905c 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/AvatarProcessor.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/AvatarProcessor.cs
@@ -1,18 +1,18 @@
 /*
  * MIT License
- * 
+ *
  * Copyright (c) 2022 bd_
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included in all
  * copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -341,14 +341,27 @@ namespace nadena.dev.modular_avatar.core.editor
                     "VRC.SDKBase.Validation.Performance.Stats.AvatarPerformanceStats"
                 );
                 var ty_VRCSdkControlPanel = Util.FindType("VRCSdkControlPanel");
-                tempControlPanel = ScriptableObject.CreateInstance(ty_VRCSdkControlPanel) as Object;
+
+                if (ty_VRCSdkControlPanelAvatarBuilder3A == null || ty_AvatarPerformanceStats == null ||
+                    ty_VRCSdkControlPanel == null)
+                {
+                    return;
+                }
 
                 var avatar = avatarGameObject.GetComponent<VRCAvatarDescriptor>();
                 var animator = avatarGameObject.GetComponent<Animator>();
                 var builder = ty_VRCSdkControlPanelAvatarBuilder3A.GetConstructor(Type.EmptyTypes)
-                    .Invoke(Array.Empty<object>());
+                    ?.Invoke(Array.Empty<object>());
                 var perfStats = ty_AvatarPerformanceStats.GetConstructor(new[] {typeof(bool)})
-                    .Invoke(new object[] {false});
+                    ?.Invoke(new object[] {false});
+
+                if (builder == null || perfStats == null)
+                {
+                    return;
+                }
+
+                tempControlPanel = ScriptableObject.CreateInstance(ty_VRCSdkControlPanel) as Object;
+
                 ty_VRCSdkControlPanelAvatarBuilder3A
                     .GetMethod("RegisterBuilder", BindingFlags.Public | BindingFlags.Instance)
                     .Invoke(builder, new object[] {tempControlPanel});