diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/MeshExportInfo.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/MeshExportInfo.cs
index 293fedf3c..f918be318 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/MeshExportInfo.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/MeshExportInfo.cs
@@ -264,7 +264,7 @@ namespace UniGLTF
             }
             else
             {
-                throw new NotImplementedException();
+                Debug.LogWarning($"unknown renderer: {renderer}", context: renderer);
             }
         }