I setup a proxy IP (failed to setup) and now Discover is giving errors when trying to update for some PPAs

Here’s some of the codes: E: Index of /mozillateam/ppa/ubuntu lunar InRelease is not (yet) available (Could not connect to 192.168.49.1:8282 (192.168.49.1), connection timed out) E: Index of /repos/edge/ stable InRelease is not (yet) available (Could not connect to 192.168.49.1:8282 (192.168.49.1...