Cannot install org.sonatype.tycho

1. Install devstudio 2. Import project with tycho (e.g. org.jboss.tools.as.ui.bot.itests) 3. Quick fix dialog should open with Discover new m2e connectors choice selected (or open quick fix dialog from problems view and select "Plugin execution not covered by...") 4. Click on Finish 5. Discover m2e connectors dialog is opened with preselected tycho 6. Click on Finish 6. Install dialog is opened click Next , but nothing happens.