All data lost after sync try

Description of the issue:
I synced my data on the PC with the data on my phone, because I wanted to reset my pc. That worked and all my bookmarks, passwords etc was saved on my phone. After the reset I added my PC to the sync chain and set it to “sync all”. After that all my data was lost on my phone andnothing was transferred to my PC either.

Steps to Reproduce:
can’t reproduce (all my data is gone)

Reproduces how often:
This time (first time with the sync)

Brave Version:
v 1.39.122

Type of devices currently running on the Sync chain in question:
my PC (Windows 10 Pro), my phone (Android 12)