You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '1' at line 1 in php code example

Example: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'privilleges to

GRANT ALL PRIVILEGES ON * . * TO 'wordpressuser'@'localhost';