`invalid` | This means the formatting of a field is invalid. The documentation for that resource should be able to give you more specific information.

`already_exists` | This means another resource has the same value as this field. This can happen in resources that must have some unique key (such as Label names).

If resources havecustom validation errors, theywillbe documented withtheresource.

Resources may also sendcustom validation errors (where`code` is`custom`). Custom errorswillalways have a`message` field describingtheerror, as well as a`documentation_url` field pointing to some content that might help you resolve the error.

To prevent abuse, additional rate limits apply to some endpoints that

create content. This rate limit applies to the creation of new content

create content. This rate limit applies to the creation of new content

over a period of time. These rate limits do not apply to private repositories

or GitHub Enterprise installations.