Acadia Network Upgrade was successfully implemented. ZelCash now has Overwinter and Sapling implemented.

The Copay wallet (ZelCash Wallet on desktop, iOS, and Android) no longer works because of Sapling. You need to switch to a supported wallet.

Instructions with pictures on recovering your wallet can be found here:

https://medium.com/@ZelOfficial/acadia-network-upgrade-live-how-to-recover-copay-wallet-35a979004333