Dworkin framework is targeted to Java 8 and therefore requires Java Development Kit (JDK) version 8 in order to get started with development process.
Before installing sbt make sure you have correct java version by typing in console java -version:
If you have problem with installing Java please proceed with the following tutorials:
To check sbt version please type in console sbt sbt-version:
To work with Dworkin you need at least 0.13.13 version.