diff --git a/rdagent/scenarios/qlib/developer/factor_runner.py b/rdagent/scenarios/qlib/developer/factor_runner.py
index 7ee093ca..f8b15fad 100644
--- a/rdagent/scenarios/qlib/developer/factor_runner.py
+++ b/rdagent/scenarios/qlib/developer/factor_runner.py
@@ -1,3 +1,4 @@
+import logging
 import os
 from pathlib import Path
 """
@@ -1000,7 +1001,7 @@ class QlibFactorRunner(CachedRunner[QlibFactorExperiment]):
             series.to_frame().to_parquet(str(parquet_path))
 
         except Exception:
-            pass
+            logging.debug("Error in save_factor_values_to_parquet", exc_info=True)
 
     def _log_result_warnings(self, factor_name: str, result, metrics: dict) -> None:
         """