Thank you very much if you will help me!!! Then i click on 'OK' button and I get the error below executing install.app. Missing constraint: Import-Package: .usermodel version='0.0.0' I click on 'Run' -> 'Run Configurations' -> and the select 'install.app' and I click on 'Run'. (that I've translated in English because I don't understand German) de/Installation_der_Entwicklungsumgebung
I've installed Eclipse + iDempiere using this guide: