I can´t use my bisq account/wallet

I have used bisq so far on a cumputer and needed a password to log into the app. now i have a new computer and i have used the backupfile to access my old account, but now i have my btc on the balance but i dont need to enter my password when i start the application and i cant sell or by any btc … i allways get this message. :
org.bitcoinj.core.ECKey$KeyIsEncryptedException … can someone tell me what to do …
Thx for help

Hi what version are you using? Maybe you need to upgrade to the latest version that is v1.6.5

You can turn the password on and off in the section > Account > Wallet Password