Comments - Error connecting to the database: Error: Access denied for user 'new_user'@'localhost' (using password: YES)
Content reproduced on this site is the property of its respective owners,
and this content is not reviewed in advance by MariaDB. The views, information and opinions
expressed by this content do not necessarily represent those of MariaDB or any other party.
Did the grant all privileges fail? Is this 11.3.2 - if so it might be this problem (with solution there)
https://stackoverflow.com/questions/78221866/how-to-unstuck-mariadb-11-3-2-when-grant-all-stops-working-for-rootlocalhost/78222039#78222039
A fix is coming out next release.