Hi,
Bungie is fully aware and looking into this. Thanks for reporting this.
[quote]We are investigating issues causing players to be unable to matchmake and then receive MONGOOSE errors
https://twitter.com/BungieHelp/status/1527765541980471296[/quote]
[quote]Team's digging. We've been prepping for next Tuesday for the last few days, seems we've hit a snag.
Until resolved, you won't be able to find opponents in PvP/Gambit, and will likely load into social spaces, patrols, and strikes solo.
Stay tuned to @BungieHelp for updates.
https://twitter.com/A_dmg04/status/1527766323215773696[/quote]