Content Type Publishing

Hi 

I am trying to publish content type in SharePoint Online under a Team Site Collections and getting this error

Sorry, something went wrong "No valid proxy can be found to do this operation"

TECHNICAL DETAILS
Troubleshoot issues with Microsoft SharePoint Foundation.
Correlation ID: 5966b69d-8071-3000-a9fa-445e908fe445

Not sure where I am getting wrong, any help will be appreciable.

Just to put this in as well that I have already activated the Content Type Syndication Hub feature and the

Thanks.

SP