[xwiki-users] Could not find artifact org.xwiki.platform:xwiki-platform-legacy-oldcore:jar:4.0-SNAPSHOT in xwiki-snapshots?

Today i ran the maven build on xwiki project(intention is to build my single sign on class ) but maven is not find the artifact *xwiki-platform-legacy-oldcore:jar* in nexus repository.I am not getting whats the issue(as i was able to build the project some months back). below is the error Could not find artifact org.xwiki.platform:xwiki-platform-legacy-oldcore:jar:4.0-SNAPSHOT in xwiki-snapshots ( http://nexus.xwiki.org/nexus/content/groups/public-snapshots) -> [Help 1] [ERROR] Has the artifact xwiki-platform-legacy-oldcore:jar:4.0 been removed from repository?