Go to the github (https://github.com/LucentCoin/Lucent/releases) and use the config files (https://github.com/LucentCoin/Lucent/releases/download/v0.12.3.3/lucent_conf_updated_4_14_19.zip) to replace the config files in your wallet found under 'Tools' then 'Open Wallet Configuration Files' tab.

Change the passwords, save, and it will sync in about an hour.

Go to the discord for more info