Rudder

During installation of rudder-sebapp package on centos7Ii encountered the following error:

==> centos7_server:  
==> centos7_server: INFO: Launching script to check if a migration is needed
==> centos7_server: INFO: End of migration script
==> centos7_server: INFO: Restarting syslogd ... Done
==> centos7_server: Stopping Jetty: OK
==> centos7_server: Traceback (most recent call last):
==> centos7_server:   File "/opt/rudder/bin/rudder-pkg", line 338, in <module>
==> centos7_server:     plugin_save_status()
==> centos7_server:   File "/opt/rudder/bin/rudder-pkg", line 290, in plugin_save_status
==> centos7_server:     text = open(PLUGINS_CONTEXT_XML).read()
==> centos7_server: IOError: [Errno 2] No such file or directory: '/opt/rudder/share/webapps/rudder.xml'
==> centos7_server: error: %pre(rudder-webapp-1398866025:4.2.0.rc2-1.EL.7.noarch) scriptlet failed, exit status 1
==> centos7_server: Error in PREIN scriptlet in rpm package 1398866025:rudder-webapp-4.2.0.rc2-1.EL.7.noarch
==> centos7_server: error: rudder-webapp-1398866025:4.2.0.rc2-1.EL.7.noarch: install failed