Zkswap V2 listing

After confirming the metamask while adding the trading pair, the metamask confirmation window appears again.

0xC309775d11F59186cb549073D609303af6E37a27

I have uniswap token in my wallet. But it prevents me from trading by selecting trading pairs.Only eth can be added.
0xC309775d11F59186cb549073D609303af6E37a27