Happy to help here! It sounds like this error may be coming from a permissions issue with the database user you are using for this connection. We check to make sure the user you are connecting with has read permissions on at least one table and if that fails, this is typically the error that is returned. Hope this helps!
Hey @FDG — could you try running SHOW GRANTS for this user to make sure it has the correct permissions? If it does, would you be able to provide a screenshot of these permissions by writing into intercom chat for us to continue troubleshooting?