title: Eclipse code generation with papyrus
body: <p>When I try to install the code generation plug-in for Papyrus in Eclipse it gives me this error:</p>
  
  <blockquote>
    <p>Cannot complete the install because one or more required items could
    not be found.   Software being installed: Java code generator for
    Papyrus 1.3.3.200911231214 (com.cea.papyrus.gen.java.feature.group
    1.3.3.200911231214)   Missing requirement: Java code generator for Papyrus 1.3.3.200911231214 (com.cea.papyrus.gen.java.feature.group
    1.3.3.200911231214) requires 'com.cea.papyrus.feature.feature.group 1.9.0' but it could not be found</p>
  </blockquote>
  
  <p>How can I fix this?</p>