AutoCompletionBinding cannot access class com.sun.javafx.event.EventHandlerManager
If you are using ControlsFX 11, add the following VM option to your runtime command line: –add-exports javafx.base/com.sun.javafx.event=org.controlsfx.controls Note: Previous answers (on other sites and also here on SO) have suggested the following: –add-exports javafx.base/com.sun.javafx.event=ALL-UNNAMED However, recent versions of ControlFX appear to be modularized and the modules are no longer unnamed. If you are using … Read more