결론은 Required by를 보면 org.asciidoctor.convert:org.asciidoctor.convert.gradle.plugin:1.5.9.2 관련하여 문제가 발생했다.
그래서 build.gradle에서 asciidoctor와 관련된 부분을 제거하여 해결하였다.
에러메시지:
A problem occurred configuring root project 'how-to-fix'. > Could not resolve all artifacts for configuration ':classpath'. > Could not find org.ysb33r.gradle:grolifant:0.9. Searched in the following locations: - https://plugins.gradle.org/m2/org/ysb33r/gradle/grolifant/0.9/grolifant-0.9.pom If the artifact you are trying to retrieve can be found in the repository but without metadata in 'Maven POM' format, you need to adjust the 'metadataSources { ... }' of the repository declaration. Required by: project : > org.asciidoctor.convert:org.asciidoctor.convert.gradle.plugin:1.5.9.2 > org.asciidoctor:asciidoctor-gradle-plugin:1.5.9.2