Packaging and Running JavaFX fails

Hello,

Please i need help packaging and running javafx application in IntelliJ IDEA.

I don't know why it looks more difficult using IntelliJ.

i get 3 errors:

`Error:Java FX Packager:
BUILD FAILED
/home/connelblaze/.IdeaIC2017.1/system/compile-server/fxpreloader_d320dc3d/_temp_/build.xml:3: Problem: failed to create task or type javafx:com.sun.javafx.tools.ant:fileset
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
No types or tasks have been defined in this namespace yet
Total time: 1 second

Error:Java FX Packager: Buildfile: /home/connelblaze/.IdeaIC2017.1/system/compile-server/fxpreloader_d320dc3d/_temp_/build.xml
[taskdef] Could not load definitions from resource com/sun/javafx/tools/ant/antlib.xml. It could not be found.
build artifact:

Error:Java FX Packager: fx:deploy task has failed.