This question only applies to QIE versions greater than .47 licensed for High Availability.
You will also need to configure the QIE Service Manager to use a supported database dialect. Check the 'hibernate.dialect' Java Option in the Arguments on the Startup tab of the QIE Service Manager. It should be set to one of the following that corresponds to the database server you use.
Microsoft SQL 2016:
-Dhibernate.dialect=com.qvera.qie.persistence.SQLServer2016UnicodeDialect
Microsoft SQL 2017:
-Dhibernate.dialect=com.qvera.qie.persistence.SQLServer2017UnicodeDialect
Microsoft SQL 2019:
-Dhibernate.dialect=com.qvera.qie.persistence.SQLServer2019UnicodeDialect
MySQL and MariaDb:
-Dhibernate.dialect=com.qvera.qie.persistence.MySQLUnicodeDialect