I've connected my KuCoin Exchange Account but my balance on Zignaly is zero

I've connected my KuCoin Exchange Account but my balance on Zignaly is zero
One possible reason could be if your funds on your KuCoin account is in the 'main' account'. 
By default on KuCoin, your balance is in the "main" account and if you want to trade with it, you need to transfer it to "trade" account.

Here is a KuCoin article that may be helpful: 
Main Account and Trading Account