通过Eclipse Juno帮助安装 Papyrus - 安装新软件时，我遇到此错误;
Cannot complete the install because one or more required items could not be found.
Software being installed: Papyrus customization (Incubation) 0.9.1.v201209190809 (org.eclipse.papyrus.customization.feature.feature.group 0.9.1.v201209190809)
Missing requirement: Papyrus properties generation (Incubation) 0.9.1.v201209190809 (org.eclipse.papyrus.customization.properties.generation 0.9.1.v201209190809) requires 'bundle org.eclipse.m2m.qvt.oml.project 3.1.0' but it could not be found
Cannot satisfy dependency:
From: Papyrus customization (Incubation) 0.9.1.v201209190809 (org.eclipse.papyrus.customization.feature.feature.group 0.9.1.v201209190809)
To: org.eclipse.papyrus.customization.properties.generation [0.9.1.v201209190809]
我该怎么做才能解决这个问题？