# Common errors

| Errors                                                               | Explanations                                                                                                              |
| -------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------- |
| Proxy responded with non 200 code: 407 Proxy Authentication Required | Proxies expired - data empty or provider down                                                                             |
| Error get address -> Akamai block -> 403                             | Account is banned                                                                                                         |
| Kasada -> block -> 429                                               | Proxy banned                                                                                                              |
| General Failure                                                      | Revolut VCC ratelimits or general VCC ratelimits overall                                                                  |
| email-code not found!                                                | Check if you mastermail receives codes, check if your app password works and clear your inbox from other Nike code emails |
| Error submitChallengeCode -> 400                                     | Clean your inbox from other Nike code emails                                                                              |
| Error at checkoutPreviews (2) -> 200                                 | VCC error, can be shadowban or wrong credentials                                                                          |
| Unknown error launches page -> 400                                   | Check your csv, something might be wrong                                                                                  |
