Manage Gateways in Power BI Service

Hi,

In the powerbi service.

I click on manage gateways, add a new gateway, enter the gateway name and then the user tab.

It crashes.

Something went wrong
Please try again later or contact support. If you contact support, please provide these details.
Activity ID: ad5027f2-080f-43cc-ac86-8d1e538544f3
Request ID: cc393527-8b32-34ca-ca8d-e5e967b310f1
Correlation ID: 6b94c5ab-ba1f-2a1e-a40e-fd4e579f0fc7
Status code: 404
ecsCorrelationId: ad5027f2-080f-43cc-ac86-8d1e538544f3
Time: Wed Aug 29 2018 11:11:46 GMT+1000 (AUS Eastern Standard Time)
Version: 13.0.6430.141
Cluster URI: https://wabi-australia-southeast-redirect.analysis.windows.net

Please help.