mysql-8.0.30 [ERROR 1410 (42000): You are not allowed to create a user with GRANT ]

내가 root인데 왜 안된다는 거임?

-> root에 grant 옵션이 없어서

해결 :

CREATE USER 'root'@'%' IDENTIFIED BY 'root';

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;

root에게 grant 권한 주자