Your country is not supported. At the moment the only thing you can do is to keep accumulating rewards until your country is supported again.
Brave is working in bringing most countries back, but this is a long process. It make take months.
You can follow more info about their developments in the following post
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For new information, check bottom comment. Otherwise can review some of the below to see overall status since July 26, 2022. Brave’s List of Supported Countries OLD UPDATES BELOW: Can’t add more since April 4, 2023. Update: April 4, 2023 Only because it’s been a little while since I gave an update, thought I’d just do a small post. At this point they still have nothing solid to say about adding countries again, the new partner(s) they are hoping to add, or even of an ETA for the sunsetting of v…