Hi, whenever i do sudo apt update, i get this message: sudo apt update [sudo] password for andrzej: Hit:1 http://ppa.launchpad.net/elementary-os/stable/ubuntu focal InRelease Get:2 http://mirrors.ubuntu.com/mirrors.txt Mirrorlist [691 B] Get:4 http://ubuntu.mirror.rafal.ca/ubuntu focal-updates InRelease [114 kB] Hit:3 http://ubuntu.mirror.globo.tech focal InRelease Get:5 http://ppa.launchpad.net/elementary-os/os-patches/ubuntu focal InRelease [23.8 kB] Reading package lists... Done E: Release file for mirror://mirrors.ubuntu.com/mirrors.txt/dists/focal-updates/InRelease is not valid yet (invalid for another 1h 20min 58s). Updates for this repository will not be applied. E: Release file for http://ppa.launchpad.net/elementary-os/os-patches/ubuntu/dists/focal/InRelease is not valid yet (invalid for another 1h 11min 48s). Updates for this repository will not be applied. what isthe problem? thank you andy
atempted to do: sudo add-apt-repository ppahilip.scott/elementary-tweaks and get error: sudo: add-apt-repository: command not found please help thank you
