How to compile?

[byzp]

(ubuntu 21.10 arm，openjdk-8-jdk-headless) ubuntu@ubuntu:~/r$ ./gradlew

FAILURE: Build failed with an exception.

• Where: Build file '/home/ubuntu/r/build.gradle' line: 28

• What went wrong: A problem occurred evaluating root project 'Rukkit'.

  Supplied String module notation 'netty' is invalid. Example notations: 'org.gradle:gradle-core:2.2', 'org.mockito:mockito-core:1.9.5:javadoc'.

• Try: 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 5s

[wtbdev]

this problem is in build.gradle.I have already fixed in latest commits.