All riders disappeared

Hi started the Pack ride 15 mins ago (1115pst) and at the start all of the other riders completely disappeared and I was solo so I quit the event.  Please advise!

Already a number of posts on the subject:

https://support.zwift.com/hc/en-us/community/posts/115019799043-Alone-in-watopia

https://support.zwift.com/hc/en-us/community/posts/115011232906-Capacity-and-resources-

https://support.zwift.com/hc/en-us/community/posts/115011248426-Racing-in-the-Twilight-Zone

https://support.zwift.com/hc/en-us/community/posts/115019800683-can-t-join-group-rides-races

And probably a few more.