When i follow to install Jaspersoft studio plugin into eclipse the problem will occur Cannot complete the install because one or more required items could not be found. Software being installed: Jaspersoft Studio Expression Editor 1.1.1 (com.jaspersoft.studio.expressioneditor.feature.feature.group 1.1.1) Missing requirement: Jaspersoft Studio Expression Editor 1.1.1 (com.jaspersoft.studio.expressioneditor.feature.feature.group 1.1.1) requires 'de.itemis.xtext.utils.jface.feature.group [1.0.0.201205141449]' but it could not be found