How to withdraw liquidity?

Can someone tell me how to withdraw liquidity? When I go to the yield page (Sushi) then click on the pair I have (say USDC-WETH) then I click the “Remove Liquidity” button, then no matter how many amount I want to withdraw, it says I will end up with 0 USDC and 0 ETH… What am I missing?

Thanks

I got the same problem too