Because Brave has stopped supporting most countries around the world. They have paused the ability to link Rewards with Gemini or Uphold. This is meant to be temporary as they solve a lot of issues regarding government regulations, sanctions, compliance, and fraud.
Plenty of posts on Brave Community, Reddit, Brave Support, and other places that advise of this. For example:
And you’d easily found it if you just tried to search for it. On Brave Community, hit the search glass button and type in what you want to look for. If you had put in “Unsupported Region” which is what it gives you, then you’d have seen something like:
and type in what you want to look for. If you had put in “Unsupported Region” which is what it gives you, then you’d have seen something like:
