Hi, David!
My name is Caio and I'll be happy to help you today =)
This error is usually related to the Mail app. Try this:
> Press Windows key +i on your keyboard
> Select Apps
> Click on Installed apps
> In the search bar type Mail
> Click on the three dots on the right and select Advanced options
> Scroll down and click on Reset
> Check if the issue persists
I hope this helps you! Please let me know if I can assist you more.
Best regards,
Caio G.
Independent Advisor