^^
This means the address you have been sending coins to doesn't belong to your wallet. Am saying this because I don't think you have generated more than 20 addresses. Usually, anyone will just click the receive button and copy the first generated wallet.
You either recovered the wrong wallet, you copied the receiving address from somewhere else or your device is infected with the clipboard malware (although unlikely since the coins didn't move).
Can you share the address you used to receive the coins with us?