Ubuntu 20.04 can't setup tvheadend

Added by siu tony 2 months ago

Excuting an order by "sudo apt-get install tvheadend" have prompt
Err:1 focal/main amd64 tvheadend amd64 4.3-2010~g3b1d7a928~focal
404 Not Found [IP: 443]
E: Failed to fetch 404 Not Found [IP: 443]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

This Problem has been happening for many days by new machine
Please fix this as soon as possible