migration script and and error handling on stop loss order

freqtrade/persistence.py

@@ -82,7 +82,7 @@ def check_migrate(engine) -> None:
         logger.debug(f'trying {table_back_name}')
 
     # Check for latest column
-    if not has_column(cols, 'ticker_interval'):
+    if not has_column(cols, 'stoploss_order_id'):
         logger.info(f'Running database migration - backup available as {table_back_name}')
 
         fee_open = get_column_def(cols, 'fee_open', 'fee')