When I try to play online with my Nintendo Switch, I cannot connect due to a communication error.
You can only play online, use the Marketplace, or sign in to your Microsoft account.
The Nintendo Switch Online account has not expired.
Other games and users have not experienced this issue.
I do not want to delete saved data.
I have tried the following things to resolve the issue, but to no avail.
Clearing the account sign-in data
Clearing the marketplace cache
Deleting unwanted worlds
Deleting unwanted packs
That's all.

If you have any solutions, we would appreciate it if you could let us know.

Translated by DeepL