# Common Error Messages

An API call that encounters an error will return `False` as its `success` field and display the cause of the error under the `msg` field.

| Field `msg`                   | Description                                                                                                                                                                                         |
| ----------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `MaxRateLimit`     Deprecated | ~~Max rate limit reached~~                                                                                                                                                                          |
| `ExceededRateLimit`           | Reached the rate limit per second                                                                                                                                                                   |
| `ExceededDailyRateLimit`      | Reached daily rate limit                                                                                                                                                                            |
| `InvalidApiKey`               | Invalid API key                                                                                                                                                                                     |
| `UnsupportedToken`            | Unsupported query coin                                                                                                                                                                              |
| `InvalidAddress`              | Invalid query address                                                                                                                                                                               |
| `PageNotFound`                | Page not found                                                                                                                                                                                      |
| `ExpiredPlan`                 | Plan has expired                                                                                                                                                                                    |
| `TaskNotFound`                | The task cannot be found. You need to [create it](https://docs.misttrack.io/api-endpoints/get-risk-score-asynchronous-api#id-1.-create-task-api) first and then query it.                           |
| `UnsupportedAddressType`      | Some endpoints (such as [Address Counterparty](https://docs.misttrack.io/api-endpoints/get-address-counterparty)) do not support analyzing hot wallet addresses and will return this error message. |