The 0/4 means there are zero errors out of the four payout coins you have setup so you are good there. As for the Coinbase payouts, go to the "Payouts" menu and select the "Coinbase Options". Verify the "Coinbase Account Status" says connected. Next make sure the coins...

What does this mean? Zero errors with 4 payout methods? Or ... 4 errors with 4 payouts .. or what. Been mining for couple of days, no payout to Coinbase