# Error Codes

The Skeddly API will use the following error codes within the JSON to indicate errors in the API operation.

| **Error Code**               | **Meaning**                                                    |
| ---------------------------- | -------------------------------------------------------------- |
| ActionExecutionNotFound      | The specified action execution cannot be not found.            |
| ActionCannotBeDeleted        | The specified action cannot be deleted.                        |
| ActionNotFound               | The specified action cannot be found.                          |
| CredentialInUse              | The specified credential is in use.                            |
| CredentialNotFound           | The specified credential cannot found found.                   |
| ErrorChangingPassword        | An error occurred changing the user password.                  |
| InvalidActionExecutionId     | The specified action execution ID is invalid.                  |
| InvalidActionId              | The specified action ID is invalid.                            |
| InvalidActionVersionId       | The specified action version ID is invalid.                    |
| InvalidCredentialId          | The specified credential ID is invalid.                        |
| InvalidManagedInstanceId     | The specified Managed Instance ID is invalid.                  |
| InvalidParameter             | One of the parameters in the request is invalid.               |
| InvalidRequest               | The request is invalid.                                        |
| InvalidRoleOrAccessDenied    | The specified IAM role is invalid, or it could not be assumed. |
| InvoiceNotFound              | The specified invoice cannot be found.                         |
| ManagedInstanceGroupNotFound | The specified Managed Instance Group cannot be found.          |
| ManagedPolicyNotFound        | The specified managed policy cannot be found.                  |
| ParameterValidationFailed    | One or more parameters failed validation.                      |
| TimeZoneNotFound             | The specified time zone cannot be found.                       |
| UnauthorizedOperation        | The caller is not authorized to execute the command.           |
| UserNotFound                 | The specified user cannot be found.                            |