I said before, that I didn't (getnewaddress) generate new addresses in the wallet.
Which wallet?
Electrum?
Armory?
MultiBit?
Core?
Classic?
Unlimited?
Knots?
Blockchain.info?
Mycellium?
Trezor?
Ledger Nano?
bitaddress.org
Something else that you found?
Something else that you created?
Also, most of these wallets have multiple versions available so...
What version?
Without that information, it is impossible to know for sure what backup plan you need.