documentation/content/en/entities/Error.md

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Error Represents an error message.
docs
parent
entities
/entities/error
/entities/Error
/api/entities/error
/api/entities/Error

Example

{
  "error": "invalid_grant",
  "error_description": "The provided authorization grant is invalid, expired, revoked, does not match the redirection URI used in the authorization request, or was issued to another client."
}

{{< hint style="info" >}} The most important part of an error response is the HTTP status code. Standard semantics are followed. The body of an error is a JSON object containing more information, if available. {{< /hint >}}

Attributes

error

Description: The error message.
Type: String
Version history:
0.6.0 - added

error_description {{%optional%}}

Description: A longer description of the error, mainly provided with the OAuth API.
Type: String
Version history:
0.6.0 - added

Possible reasons

400 - Bad request

ParameterMissing

Error: {string}. Appears when a required parameter is missing from the API call.

401 - Unauthorized

require_authenticated_user!

Error: This API requires an authenticated user. Appears when the instance is in secure mode, which disables all public use of API methods.

403 - Forbidden

NotPermitted

Error: This action is not allowed. Appears when trying to call a method that you do not have permission for (such as admin or staff methods), or performing actions you are not allowed to do (such as following a user that blocks you).

current_user.disabled?

Error: Your login is currently disabled. Appears when the OAuth token's authorized user has had their account disabled by a moderator.

!current_user.confirmed?

Error: Your login is missing a confirmed e-mail address. Appears when the email address associated with the OAuth token's authorized user's account has not yet been confirmed.

!current_user.approved?

Error: Your login is currently pending approval. Appears when the OAuth token's authorized user has signed up on an instance with approval-required registrations, and the user has not yet had their account approved by a moderator.

404 - Not found

RecordNotFound

Error: Record not found. Appears when an entity record does not exist, or the authorized user is not within the audience of a private entity.operates on a user.

422 - Unprocessable entity

RecordInvalid

Error: {string}. May appear when entity creation failed.

RecordNotUnique

Error: Duplicate record. Appears when you are trying to pin an account or status that is already pinned.

!current_user

Error: This method requires an authenticated user. Appears when using an OAuth token without an authorized user (or no token at all), while trying to call an API method that requires a user to be processed.

429 - Too many requests

Error: {translated string}. Appears when you have exceeded the rate limit. See [Rate limits]({{< relref "api/rate-limits" >}}) for more information.

503 - Remote service unavailable

UnexpectedResponseError

Error: Remote data could not be fetched. Appears when Mastodon calls a remote service (such as WebFinger from another instance) which returns an error.

SSLError

Error: Remote SSL certificate could not be verified. Appears when a remote service is called, but it has an invalid SSL certificate.

NetworkingError

Error: There was a temporary problem serving your request, please try again. Appears when there was a failed call to an S3 storage server.

RaceConditionError

Error: There was a temporary problem serving your request, please try again. Appears when there was an error due to a race condition in server-side code.

See also

{{< caption-link url="https://github.com/mastodon/mastodon/blob/main/app/controllers/api/base_controller.rb" caption="app/controllers/api/base_controller.rb" >}}