I was making an application for a buddy of mine and finished the design for the login screen and saved it in eclipse. This is a .fxml file by the way, and it throws an Invocatio
This is the actual error that's causing the crash.
UnsupportedClassVersionError: com/jfoenix/controls/JFXButton has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0
My guess is that you need to either update your JDK or download a version of JFoenix that was compiled for your version of the JDK.