Crypto Wallet Bugged with 20+ pending transactions

I have been using an exchange called uniswap and i thought my wallet was connected through metamask but turns out i had been using the crypto wallet on brave browser. I had also connected my metamask wallet to uniswap creating a conflict of interest with the two active wallets. I ended up trying to make a swap of tokens on the site and nothing worked at all. now i have 22 pending transactions i cannot cancel in my crypto brave browser wallet

Duplicate Can Someone help fix my crypto wallet