Your project is imported. For its apps and flows to actually run, they need a place to store data and credentials for the services they use — the import can't supply those for you.
Where apps and flows keep the data they read and write.
{sql}
This workspace already has {existing.length} {resourceTypeDisplayName(forRow.resourceType)} {existing.length === 1 ? 'resource' : 'resources'}. Use one and this project's apps, flows and triggers are pointed at it.