Error Report

Error Code: 
Error Message: 
Operation details
Installable Units Reported:,
Detailed Message: 
Cannot complete the install because one or more required items could not be found. Software being installed: UMLGen Java Generation ( Missing requirement: UMLGen Java Generator ( requires 'bundle org.eclipse.acceleo.model 3.5.0' but it could not be found Cannot satisfy dependency: From: UMLGen Java Generation ( To: []