Failed to load the widgetset nocache...

I’m a new user and I follow the tutorial “Vaadin Step-by-step” on youtube, everything is all right until the step to make the “DocEditor component”.
When I run the project “DocumentationManager” with Eclipse, the error message famous "
Failed to load the widgetset … nocache
" is displayed !?

Thanks for your help
Eclipse : Luna 4.4.2

Check that you have compiled the widgetset before running the application. If you are on Eclipse and have the plugin installed, select “compile widgetset” from the dropdown (icon looks like two cogwheels).

Thank you very much for your response.
It worked. :slight_smile: