如何解决WSL 20.04 上的 AMQP：存储库“https://dl.bintray.com/rabbitmq-erlang/debian focus InRelease”未签名
我正在尝试开始在 Symfony 中使用 PHP，为此，我需要安装 AMQP，但在运行此命令进行设置时出现无法修复的错误：
sudo add-apt-repository ppa:rabbitmq/rabbitmq-erlang
这是我的结果：
More info: https://launchpad.net/~rabbitmq/+archive/ubuntu/rabbitmq-erlang
Press [ENTER] to continue or Ctrl-c to cancel adding it.
Get:1 http://ppa.launchpad.net/rabbitmq/rabbitmq-erlang/ubuntu focal InRelease [18.1 kB]
Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease
Get:3 http://archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Hit:4 https://cli-assets.heroku.com/apt ./ InRelease
Get:5 http://archive.ubuntu.com/ubuntu focal-backports InRelease [101 kB]
Hit:6 http://security.ubuntu.com/ubuntu focal-security InRelease
Get:7 http://ppa.launchpad.net/rabbitmq/rabbitmq-erlang/ubuntu focal/main amd64 Packages [8236 B]
Get:8 http://ppa.launchpad.net/rabbitmq/rabbitmq-erlang/ubuntu focal/main Translation-en [5104 B]
Err:9 https://dl.bintray.com/rabbitmq-erlang/debian focal InRelease
403 Forbidden [IP: 34.214.234.253 443]
Reading package lists... Done
E: Failed to fetch https://dl.bintray.com/rabbitmq-erlang/debian/dists/focal/InRelease 403 Forbidden [IP: 34.214.234.253 443]
E: The repository 'https://dl.bintray.com/rabbitmq-erlang/debian focal InRelease' is not signed.
N: Updating from such a repository can't be done securely,and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
如果您能帮助解决此错误E: The repository 'https://dl.bintray.com/rabbitmq-erlang/debian focal InRelease' is not signed.，我们将不胜感激！
非常感谢
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