In Configure the Server is step: run the following command:

${jbossHomeName}/bin/jboss-cli.sh --connect --file=configure-elytron.cli

this script produce the following error:

{"outcome" => "failed",
"failure-description" => "WFLYCTL0212: Duplicate resource [
(\"subsystem\" => \"elytron\"),
(\"policy\" => \"jacc\")
]",
"rolled-back" => true}

The error is caused by this MR: https://github.com/wildfly/wildfly/pull/16812

Please update ee-security quickstart to reflect `jacc` default configuration.