Probably want to try this… hopefully it works for you…
Reconnecting Brave to Uphold
In case that doesn’t work, try to search using keywords in the topic list. This query has been eternally posted by many. Hopefully you will find your solution there. For starters, check this out… Unable to connect after reinstallation
Else try tagging the support in your original post. @Mattches usually responds and provides effective guidance.