Error Report

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Error Code: 
4
Error Message: 
Operation details
Installable Units Reported: 
com.vaadin.integration.eclipse.feature.group,3.0.0
Detailed Message: 
Cannot complete the install because one or more required items could not be found. Software being installed: Vaadin Plug-in for Eclipse 3.0.0 (com.vaadin.integration.eclipse.feature.group 3.0.0) Missing requirement: Vaadin Plug-in for Eclipse 3.0.0 (com.vaadin.integration.eclipse.feature.group 3.0.0) requires 'org.eclipse.jst.servlet.ui 0.0.0' but it could not be found