bad_percent
Admin: the promo code's percent is not valid.
HTTP 400.
Likely cause: The percent is 0, negative, or not a number.
What to do: Give a percent above 0, no higher than the page allows.
Retry: No. The same request gets the same answer; change something first.
Listed under Billing, slots and dedicated IPs in Errors. Send the error’s requestId to support and we can find the request.