[keycloak-user] throwing error after running this command adapter-elytron-install.cli

Hello When I was trying to run the command to install keycloak adapter on wildfly server from the path its showing below error . May I know how to resolve this error nl00000:/srv/apps/appsrv/wildfly/keycloak/keycloak-4.0.0.Beta3/bin> ./jboss-cli.sh --file=adapter-elytron-install.cli --connect --controller= 0.0.0.0: 8080 Authenticating against security realm: ManagementRealm Username: XXXXX Password: { "outcome" => "failed", "failure-description" => "WFLYCTL0310: Extension module org.keycloak.keycloak-adapter-subsystem not found", "rolled-back" => true } nl00000:/srv/apps/appsrv/wildfly/keycloak/keycloak-4.0.0.Beta3/bin> Thanks.