The error firstly is:
......: unable to resolve class org.gradle.internal.impldep.aQute.bnd.osgi.resource.FilterParser @ line 3, column 1. import org.gradle.internal.impldep.aQute.bnd.osgi.resource.FilterParser ^ 1 error
First important thing is that I never used or even got close to anything OSGI plugin or BND Tool.
This is where the code is compiled against Gradle 3.2.1 API and then a consuming plugin is trying to use that with anything earlier than Gradle 2.14.1.
The actual code is at https://github.com/ysb33r/grolifant/tree/development and the issue reproducible via