Unable to sign in Slack from Quick Suite

Hello.

According to the Slack documentation, this error seems to occur when attempting to install to a workspace other than the one created.
You will likely need to change the settings in your Slack app.
https://docs.slack.dev/authentication/installing-with-oauth/

invalid_team_for_non_distributed_app: Occurs when attempting to install/authorize an undistributed Slack API app on a team where the app was not created.

The steps in the following blog post may be helpful.
Try changing the Slack app you created to "Public Distribution".
https://nango.dev/blog/fix-slack-oauth-error-invalid-team-for-non-distributed-app#how-to-fix-the-error-invalid-team-for-non-distributed-app:~:text=with%20invalid_team_for_non_distributed_app.-,How%20to%20fix%20the%20error%3A%20invalid_team_for_non_distributed_app,-To%20allow%20external