rhdm7 demo can't open http://localhost:8080/decision-central url

[mohamedsaeedtolba]

after following steps of installing rhdm7 demo in Linux 18.04 and when running standalone file ,this error appeared : (
ERROR [org.jboss.as.server.deployment] (MSC service thread 1-4) WFLYSRV0002: Could not read provided index: /root/rhdm7-install-demo/target/jboss-eap-7.3/standalone/deployments/decision-central.war/WEB-INF/lib/openshift-client-4.6.0.jar/META-INF/jandex.idx)

and this make http://localhost:8080/decision-central url return not found and can't open it