Hi there,
Thanks for your report.
[quote]UPDATE: We believe we have identified the root cause of the "interact" issue with the EDZ Obelisk.
Until a fix is published in January, players can work around this issue by repeatedly fast traveling to “The Gulch” until they find a functioning obelisk.[/quote]
https://twitter.com/BungieHelp/status/1209204194269265920?s=20