diff --git a/iata_code_fetcher/fetcher.py b/iata_code_fetcher/fetcher.py
index 6ef8b4f..28ec1c6 100644
--- a/iata_code_fetcher/fetcher.py
+++ b/iata_code_fetcher/fetcher.py
@@ -114,8 +114,10 @@ def process_and_save_data(code_type: CodeType) -> None:
             with open(file_path, "a", encoding="UTF-8") as file:
                 for item in result:
                     file.write(json.dumps(item) + "\n")
-        except (ValueError, RequestException) as e:
-            logging.error("Error for %s: %s", code, e)
+        except RequestException as e:
+            logging.error("For %s: %s", code, e)
+        except ValueError as e:
+            logging.warn("For %s, %s", code, e)
 
         processed += 1
         if processed % REPORT_FREQUENCY == 0: