Thanks for your message. Can you check if you are using the latest version of the MySQL Workbench program or if there is any minimum version required in order to connect to the latest MariaDB version using that tool? Please note we highly recommend you to only use tools that are officially supported in order to avoid undesired errors.
I downloaded the latest MySQL Workbench version and tried to connect with it. When testing the connection, a warning is shown. Did you get it?
If I continue with the connection process, I get the same window you get, but I can perform basic actions like creating a database after clicking the “Continue anyway” button. However, note we do not recommend you to continue using MySQL Workbench if it isn’t officially supported. Please contact the MariaDB or the MySQL Workbench support team for more information on this.
In the meantime, you can connect to the MariaDB database and create a new database (or run any other SQL command you need to) using the
mysql command-line tool from your server SSH session as explained in the link below