Upload to BigQuery with Amazon SP connector works#81

Exception: 400 POST https://bigquery.googleapis.com/bigquery/v2/projects/windsor-ai-bigquery/jobs?prettyPrint=false: Invalid field name "restock_inventory_recommendations_report__total_days_of_supply_(including_units_from_open_shipments)". Fields must contain only letters, numbers, and underscores, start with a letter or underscore, and be at most 300 characters long.