throw new FieldIsRequiredException("prefix", "functionalities.functionality.required.prefix");
throw new FieldIsRequiredException("prefix", "functionalities.module.required.prefix");
    public void setPrefix(String prefix) {        if (prefix == null || prefix.length() == 0) {            throw new FieldIsRequiredException("prefix", "functionalities.functionality.required.prefix");        }        super.setPrefix(prefix);        Functionality.checkPublicPath();    }