Niantic has updated the official Known Issues support page for Pokémon GO. Read on below to learn more:
Some Trainers experiencing issues with Elite Raids
Last updated: 3/11/23
Some Trainers experiencing issues with Elite Raids
Issue description: Some Trainers had issues joining Elite Raid Lobbies or entering Elite Raid Battles once the timer ended. Some Trainers in the GMT +13 time zone were unable to join Elite Raids at all.
Issue status: Resolved
Source: Official Pokémon GO support page
Source: Pokemon