通过 Ubuntu 设置中的在线帐户登录 Facebook 后，我收到错误App Not Setup: This app is still in development mode, and you don't have access to it. Switch to a registered test user or as an app admin for permissions.
GNOME Facebook 集成中是否存在配置错误，或者我应该将自己设置为测试人员？
操作系统：Ubuntu 20.10