# mysqli::real_connect(): (HY000/2054): The server requested authentication method unknown to the client ###### tags: `phpMyAdmin` * OS:macOS Catalina 10.15.6 * MySQL:mysql-8.0.21-macos10.15-x86_64 ([Ref.](https://dev.mysql.com/downloads/mysql/)) * phpMyAdmin:phpMyAdmin-5.0.2-all-languages ([Ref.](https://www.phpmyadmin.net/downloads/)) * PHP:7.3.11 My Solution --- * Login MySQL * Type the following ``` php ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password'; ```