form_username_invalid
- Returned as
- The problem's code, and the code of the field it concerns in errors[]
- HTTP status
- 422 Unprocessable Entity
- type
https://zautha.com/docs/errors/form_username_invalid
When it happens
Section titled “When it happens”Usernames are 3 to 64 characters: letters, digits, _, . and -.
What to do
Section titled “What to do”Choose a username within those rules.