Update streamlit_app.py

streamlit_app.py

@@ -444,9 +444,9 @@ if generate_now and not st.session_state.get("busy"):
                         try:
                             uploaded = upload_video_sdk(upload_path)
                         except Exception as e:
-                            st.session_state["last_error"] = f"Upload failed: {e}"
-                            st.error("Upload failed. See Last Error for details.")
-                            raise
+                            st.session_state["last_error"] = f"Upload failed for {upload_path}: {e}\n{traceback.format_exc()}"
+                            st.error(f"Upload failed: {e}. Check the error log for more details.")
+                            return  # Prevent further processing.
 
                     try:
                         processing_placeholder = st.empty()