Build failed Ubuntu 22.04

[GMFranceschini]

Installing on Ubuntu 22.04 leads to the following errors. Any hints? I was thinking to upgrade to Pro, and I would like to get the Desktop version working first. Thank you

./gradlew

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring root project 'Pure Writer'.
> Couldn't find Ant-JavaFX-library, please make sure you've installed some JDK which includes JavaFX (e.g. OracleJDK or OpenJDK and OpenJFX), and JAVA_HOME is set properly.

* 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

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.6.4/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 535ms