diff --git a/Fushigi/course/CourseArea.cs b/Fushigi/course/CourseArea.cs
index cd5284d1..74aeccd5 100644
--- a/Fushigi/course/CourseArea.cs
+++ b/Fushigi/course/CourseArea.cs
@@ -30,8 +30,10 @@ public void Load()
             mAreaParams = new AreaParam(new Byml.Byml(new MemoryStream(File.ReadAllBytes(areaParamPath))));
 
             //Load env settings
-            if (mAreaParams.EnvPaletteSetting != null)
+            if (mAreaParams.EnvPaletteSetting != null && mAreaParams.EnvPaletteSetting.InitPaletteBaseName != null)
                 mInitEnvPalette = new EnvPalette(mAreaParams.EnvPaletteSetting.InitPaletteBaseName);
+            else
+                mInitEnvPalette = new EnvPalette();
 
 
             string levelPath = FileUtil.FindContentPath(
diff --git a/Fushigi/env/EnvPalette.cs b/Fushigi/env/EnvPalette.cs
index c9965d3f..734f0369 100644
--- a/Fushigi/env/EnvPalette.cs
+++ b/Fushigi/env/EnvPalette.cs
@@ -12,6 +12,7 @@
 using Fushigi.gl;
 using ImGuiNET;
 using static Fushigi.gl.Bfres.GsysEnvironment;
+using System.Diagnostics;
 
 namespace Fushigi.env
 {
@@ -39,6 +40,11 @@ public class EnvPalette : BymlObject
         public bool IsApplyEnvColor { get; set; }
         public bool IsApplyObjLight { get; set; }
 
+        public EnvPalette()
+        {
+            
+        }
+
         public EnvPalette(string name)
         {
             Load(name);
@@ -51,7 +57,10 @@ public void Load(string name)
             string local_path = Path.Combine("Gyml", "Gfx", "EnvPaletteParam", $"{name}.game__gfx__EnvPaletteParam.bgyml");
             string file_path = FileUtil.FindContentPath(local_path);
             if (!File.Exists(file_path))
+            {
+                Debug.Fail(null);
                 return;
+            }
 
             var byml = new Byml.Byml(new MemoryStream(File.ReadAllBytes(file_path)));
             this.Load((BymlHashTable)byml.Root);
@@ -256,11 +265,11 @@ public class EnvColorList
 
         public class EnvFogList
         {
-            public EnvFog Cloud { get; set; }
-            public EnvFog CloudWorld { get; set; }
-            public EnvFog Main { get; set; }
-            public EnvFog MainWorld { get; set; }
-            public EnvFog Option { get; set; }
+            public EnvFog Cloud { get; set; } = new EnvFog();
+            public EnvFog CloudWorld { get; set; } = new EnvFog();
+            public EnvFog Main { get; set; } = new EnvFog();
+            public EnvFog MainWorld { get; set; } = new EnvFog();
+            public EnvFog Option { get; set; } = new EnvFog();
         }
 
         public class EnvFog
@@ -351,6 +360,21 @@ public byte[] ComputeRgba8(int width = 64)
 
             public float[] ComputeRgba32(int width = 64)
             {
+                if (Curve == null) // Always means constant?
+                {
+                    var color = ColorEnd.ToVector4();
+                    var tmp = new float[width * 4];
+                    for (int i = 0; i < width * 4; i += 4)
+                    {
+                        tmp[i + 0] = Math.Clamp(color.X, 0, 1f);
+                        tmp[i + 1] = Math.Clamp(color.Y, 0, 1f);
+                        tmp[i + 2] = Math.Clamp(color.Z, 0, 1f);
+                        tmp[i + 3] = Math.Clamp(color.W, 0, 1f);
+                    }
+
+                    return tmp;
+                }
+
                 var type = Curve.GetCurveType();
                 var data = Curve.Data.ToArray();
 
diff --git a/Fushigi/ui/widgets/LevelViewport.cs b/Fushigi/ui/widgets/LevelViewport.cs
index fd68d32d..fe604c08 100644
--- a/Fushigi/ui/widgets/LevelViewport.cs
+++ b/Fushigi/ui/widgets/LevelViewport.cs
@@ -894,9 +894,12 @@ Vector2[] GetPoints()
                         calc = actor.mActorPack.ShapeParams.mPoly[0].mCalc;
                     }
                     
-                    min = calc.mMin;
-                    max = calc.mMax;
-                    center = calc.mCenter;
+                    if (calc != null)
+                    {
+                        min = calc.mMin;
+                        max = calc.mMax;
+                        center = calc.mCenter;
+                    }
                 }
                     
                 string layer = actor.mLayer;