On September 24 th at Microsoft Ignite, we announced a new feature for Microsoft Project called Roadmap. Roadmap is a visually exciting way to combine information from multiple Waterfall and Agile p...
We had a similar issue at a customer this week and the following returned it to a working condition for us.
You need to use the Power Apps Admin PowerShell commands as the "Project Roadmap" connector is still in preview and can't be selected in the GUI of the Admin center.
Afterwards, new connections can be created using Roadmap. For existing connections, the user that created the connection has to navigate to PowerAutomate (flow.microsoft.com) and reactivate the disabled flows.