I'm trying to setup forge 1.8.9 on IntelJJ and i keep getting this build failed message when attempting runClient in Gradle.

Also, when i check in .gradle -> gradle.log it says : WARNING: You are using an unsupported version of ForgeGradle. but also CONFIGURE SUCCESFUL

this is the exeption

5:12:46 PM: Executing 'runClient'...

Starting Gradle Daemon...
Gradle Daemon started in 1 s 768 ms

FAILURE: Build failed with an exception.

* Where:
Initialization script 'C:\Users\liamd\AppData\Local\Temp\ijresolvers.gradle' line: 339

* What went wrong:
A problem occurred evaluating initialization script.
> No signature of method: org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.whenReady() is applicable for argument types: (SetupUtpTestResultListenerAction) values: [SetupUtpTestResultListenerAction@2a32389]
Possible solutions: whenReady(groovy.lang.Closure)

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

BUILD FAILED

Total time: 3.059 secs
5:12:54 PM: Execution finished 'runClient'.

Help would be appreciated.