There will be maintenance on the production SDE Operational database on Sunday July 7th. This will affect all All https://deptweb.gov.yk.ca web services, as they will be offline for 6-8hrs for this maintenance. This will affect some of the Yukon ArcGIS Online applications that are consuming these services.
For more information contact Geomatics.Help@gov.yk.ca
Thanks for your patience.