Linux Mastering Development Ubuntu

youtube-dl do not working.HTTP error 429: too many requests How can i solve this problem? youtube-dl is up-to date

[youtube] lMttqRuFmL8: Downloading webpage ERROR: Unable to download webpage: HTTP Error 429: Too Many Requests (caused by HTTPError()); please report this issue on . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the –verbose flag and include its complete output.