Lost bat and password

Hello, i have save my secret backup phrase for data and bat
I reset my computer
so i reinstall brave on my computer and
i write my secret phrase for data the bookmarks is good but ALL MY PASSWORDS ARE LOST !!!
Also i past my secret backup phrase for have my old BAT and SURPRISE THE PHRASE DON’T WORK !!! ARE YOU SERIOUS ?
I specify i have save the file with the secret backup phrase so it is impossible to have error

Please help me
Thanks