fix

Assets/SibylSystem/Ocgcore/OCGobjects/gameCard.cs

@@ -1429,10 +1429,8 @@ public class gameCard : OCGobject
 
     private async void LoadCard()
     {
-        Debug.Log(data.Id);
-        gameObject_face.GetComponent<Renderer>().material.mainTexture =
-            await GameTextureManager.GetCardPicture(data.Id) ??
-            (p.controller == 0 ? GameTextureManager.myBack : GameTextureManager.opBack);
+        gameObject_face.GetComponent<Renderer>().material.mainTexture = await GameTextureManager.GetCardPicture(data.Id,
+            p.controller == 0 ? GameTextureManager.myBack : GameTextureManager.opBack);
         if (game_object_verticle_drawing)
             game_object_verticle_drawing.GetComponent<Renderer>().material.mainTexture =
                 await GameTextureManager.GetCardCloseUp(data.Id);

Assets/SibylSystem/ResourceManagers/GameTextureManager.cs

@@ -79,9 +79,14 @@ public class GameTextureManager
     private static readonly Dictionary<int, Task<Texture2D>> loadedCloseUp = new();
     private static readonly Dictionary<string, Texture2D> loadedUI = new();
 
-    public static async Task<Texture2D> GetCardPicture(int code)
+    public static Task<Texture2D> GetCardPicture(int code)
     {
-        if (code == 0) return null;
+        return GetCardPicture(code, myBack);
+    }
+
+    public static async Task<Texture2D> GetCardPicture(int code, Texture2D zero)
+    {
+        if (code == 0) return zero;
         if (loadedPicture.TryGetValue(code, out var cached)) return await cached;
         foreach (var extname in new[] {".png", ".jpg"})
         {
@@ -94,7 +99,7 @@ public class GameTextureManager
             }
         }
 
-        return null;
+        return unknown;
     }
 
     public static async Task<Texture2D> GetCardCloseUp(int code)

ProjectSettings/MemorySettings.asset

+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!387306366 &1
+MemorySettings:
+  m_ObjectHideFlags: 0
+  m_EditorMemorySettings:
+    m_MainAllocatorBlockSize: -1
+    m_ThreadAllocatorBlockSize: -1
+    m_MainGfxBlockSize: -1
+    m_ThreadGfxBlockSize: -1
+    m_CacheBlockSize: -1
+    m_TypetreeBlockSize: -1
+    m_ProfilerBlockSize: -1
+    m_ProfilerEditorBlockSize: -1
+    m_BucketAllocatorGranularity: -1
+    m_BucketAllocatorBucketsCount: -1
+    m_BucketAllocatorBlockSize: -1
+    m_BucketAllocatorBlockCount: -1
+    m_ProfilerBucketAllocatorGranularity: -1
+    m_ProfilerBucketAllocatorBucketsCount: -1
+    m_ProfilerBucketAllocatorBlockSize: -1
+    m_ProfilerBucketAllocatorBlockCount: -1
+    m_TempAllocatorSizeMain: -1
+    m_JobTempAllocatorBlockSize: -1
+    m_BackgroundJobTempAllocatorBlockSize: -1
+    m_JobTempAllocatorReducedBlockSize: -1
+    m_TempAllocatorSizeGIBakingWorker: -1
+    m_TempAllocatorSizeNavMeshWorker: -1
+    m_TempAllocatorSizeAudioWorker: -1
+    m_TempAllocatorSizeCloudWorker: -1
+    m_TempAllocatorSizeGfx: -1
+    m_TempAllocatorSizeJobWorker: -1
+    m_TempAllocatorSizeBackgroundWorker: -1
+    m_TempAllocatorSizePreloadManager: -1
+  m_PlatformMemorySettings: {}