How to backup bisq properly with only btc_mainnet folder

hello there, can people here help me with loading a new instance of bisq from a backup?

i have tried to move my btc mainnet folder from my bisq backup (I only have this from my backup) and put it into new bisq installation but it is not working

i hav tried to delete the svp chain file, it didnt work. i have moved my btc mainnet folder under /bisq which is under /opt and it is installed on a usb for portability. I am using linux os.

other folders in the bisq directory are bin which has the executable to run bisq and the other two are share and lib

no matter what i do i cant get my wallet history back and balance and i want to only use seed backup as last resort

this is the bare minimum list of files that you need
https://bisq.wiki/Last_resort_restore
but anyway copying the whole contents of the folder should be more than enough.
Files need to be copied in the data directory path Data directory - Bisq Wiki