Unable to add Office Connector for Azure DevOps - "Something went wrong. - An unexpected error..."

I'm trying to create a new SharePoint page that displays Azure DevOps information, but the Office connector seems to be broken? I've tried the same thing with two completely different O365 organizations and both fail. I'm also an admin everywhere.

I add a new Office 365 Connector web part and choose "Azure DevOps" - 

I choose my org, project, team, and event type and leave "[Any]" for the remaining fields.

Then I receive this error -