I saved a wallet with a large number of coins in private addresses, several copies, currently inserting a wallet back, loading the program, showing 0 coins (no and no money was spent), it gives an error to the wallet and sends a backup to the file. What is the problem???
We need to know which wallet you are using. And if your wallet is 100% synced with the network.
I suggest reindexing after putting back the wallet file (i.e. start zcashd with the