help!! my Switch Lite used to connect to online multiplayer fine. Now:

Can't connect to the server.
The server may be busy, or your network connection
may have been lost. Try again later.
Connection test: Internet Failed
nothing chnaged on my side as far as I know, except maybe a router update, im on a mesh network... where do ppl usually start?
Im happy to try settings changes and report back 馃敟 i just wanna be able to play online again without restarting everything every time.
game night is in two days, and i realy dont wanna be the one who cant join.. lol any ideas are welcome, even basic ones.
