testing

app.py

@@ -420,7 +420,7 @@ elif app_mode =='Run on Test Videos':
         current_test_df=testing_df[mask]
 
         if current_test_df.empty:
-            st.error("⚠️ No matching rows in testing_df for this selection.")
+            st.error(f"⚠️ No matching rows in testing_df for this selection.{filename} {category} {cls}")
             st.stop()
         else:
             st.success(f"✅ Loaded {current_test_df.shape[0]} frames for this selection.")