I have the following error running GRADLE

novovia@novovia-VirtualBox:~/openjfx/rt$ gradle projects

FAILURE: Build failed with an exception.

* Where:
Build file '/home/novovia/openjfx/rt/buildSrc/build.gradle' line: 86

* What went wrong:
A problem occurred evaluating root project 'buildSrc'.
Cause: Could not find method antlr3() for arguments [{group=org.antlr, name=antlr-runtime, version=3.1.3}] on root project 'buildSrc'.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED