using jdk 11.0.1
~a lot of download messages~
FAILURE: Build failed with an exception.
* What went wrong:
Task 'setupDecompWorkspace' not found in root project 'Build'.
Run gradlew tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 1m 39s
What do i do?