404 - Path /org/eclipse/equinox/org.eclipse.equinox.p2.metadata/2.1.0.v20110510/org.eclipse.equinox.p2.metadata-2.1.0.v20110510.pom not found in local storage of repository "Releases" [id=releases]

Path /org/eclipse/equinox/org.eclipse.equinox.p2.metadata/2.1.0.v20110510/org.eclipse.equinox.p2.metadata-2.1.0.v20110510.pom not found in local storage of repository "Releases" [id=releases]