Notify if no account information found

handler/sinks/__init__.py

@@ -66,6 +66,9 @@ class Sinks(util.Base):
         :param account_infos: dict of dicts of account information
         :param account_infos: dict
         """
+        if not account_infos:
+            self.log.error(f"No accounts provided for {subclass}")  #
+            return
         for bank, accounts in account_infos.items():
             for index, account in enumerate(list(accounts)):
                 if "account_number" not in account: