In case anyone’s reading this thread, all problems were solved today by Brave’s team.
The solution was to submit an unlinking request here following the steps described in this link.
Thank you Brave team and thank you @HighPriestess42 and @Saoiray for your help.
Also as @Saoiray said, they confirmed that:
Please note that we are removing the linking limit completely in March.
So if you’re having this issue, you should be able to solve it soon.