The recovery of Argent zkSync Era wallet is possible offchain only. There will not be an onchain option available due to zkSync Era deprecation in Argent.
You can proceed with the offchain recovery if you have your encrypted recovery kit.
In order to be able to recover your zkSync Era wallet alongside with Vault and zkSync wallets, you will need to save or update your encrypted recovery kit.
You can find the guide on saving the recovery kit here.