In the crypto wallet, when setting up the masternode after a successful start, an error appears - code - 32603 - how to fix it?

Question

Cryptography

In the wallet console, when the masternode seems to be correctly configured, an error appears - 32603, - help me find a description of this error, - what it is and how to fix it !!! Below is a copy of the console screen. Thank you!
masternode start-all
12:31:24
{
"overall": "Successfully started 1 masternodes, failed to start 0, total 1",
"detail": {
"status": {
"alias": "Nihilo28",
"result" : "successful"
}
}
}
12:31:34

masternode status
12:31:34

This is not a masternode (code -32603)