"errno": 1251, "sqlMessage": "Client does not support authentication protocol requested by server; consider upgrading MySQL client", "sqlState": "08004", "fatal": true } code example

Example 1: errno: 1251

ALTER USER 'root'@'localhost' IDENTIFIED BY 'your new password'; 
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'your new password';

Example 2: code: 'ER_NOT_SUPPORTED_AUTH_MODE', errno: 1251, sqlMessage: 'Client does not support authentication protocol requested by server; consider upgrading MySQL client', sqlState: '08004', fatal: true

mysql_native_password