# bad_dates

> Admin: the promo code's dates are not valid.

Source: https://tickwire.io/docs/errors/bad_dates/

HTTP 400.

**Likely causes:**

- The end is not after the start.
- The end is already in the past.

**What to do:** Pick an end date in the future and after the start.

**Retry:** No. The same request gets the same answer; change something first.

Listed under [Billing, slots and dedicated IPs](https://tickwire.io/docs/errors/#billing-slots-and-dedicated-ips) in [Errors](https://tickwire.io/docs/errors/). Send the error's `requestId` to support and we can find the request.