Create a new add-in for Outlook 365 with Yo

Hi everyone,

I'm currently trying to create a new Outlook add-in using the Yeoman generator, following this tutorial: https://learn.microsoft.com/en-us/office/dev/add-ins/develop/yeoman-generator-overview Learn Guide and this https://www.youtube.com/watch?v=6QES0WObuUM video.

After generating the add-in and running it with the npm run start command, I log in with my personal account and close the login window after signing in. However, after a few seconds, the terminal shows an error.

Could anyone help me troubleshoot this issue?