Sonos - what is password to folder ? sonos wont access my mirrordrive

[16fairfield]

Hi am trying to relink my WDMirror to sonos sonos is demanding a password for the folder - what is it - have tried none - didnt work of my mycloud password again no luck - how can i find the password or reset it - i can access folder via laptop with no need for a password

sonos error message wd drive|565x375

wd drive folder|568x500