diff --git a/agent/component/message.py b/agent/component/message.py
index 7e8259729..2f868c766 100644
--- a/agent/component/message.py
+++ b/agent/component/message.py
@@ -229,5 +229,4 @@ class Message(ComponentBase):
             logging.info(f"Converted content uploaded as {doc_id} (format={self._param.output_format})")
 
         except Exception as e:
-            logging.error(f"Error converting content to {self._param.output_format}: {e}")
-            self.set_output("attachment", None)
\ No newline at end of file
+            logging.error(f"Error converting content to {self._param.output_format}: {e}")
\ No newline at end of file