diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/area.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/area.rs
index 9685a0884..d861884d8 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/area.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/area.rs
@@ -262,7 +262,7 @@ pub(crate) fn normalize_binding_area(
             original_area.width_px,
             original_area.height_px
         );
-        return Err(error);
+        return Err(error.to_string());
     }
     let original = Rect::from_area(original_area);
     let directions = Edge::ALL.map(|edge| edge_direction(image, original, edge));