# Functions
New returns a new BusinessError.
# Variables
FailedToGetApps means failed to get apps.
FailedToGetMenus means failed to get menus.
FailedToGetOAuth2Provider means failed to get oauth2 provider.
FailedToGetToken means failed to get token.
FailedToGetUser means failed to get user.
FailedToGetUsers means failed to get users.
InvalidCaptcha means invalid captcha.
InvalidJSON means invalid json.
UserLoginFailed means user login failed.
# Structs
BusinessError ...