Arven - Photography theme Kirka plugin failing...

I bought Arven - phography theme yesterday and i have problem to make it work. After installation i open my webpage and there it this kind of error related ti kirka plugin (which came with that arven pakage)

Fatal error : Uncaught Error: Undefined constant “Kirki\Module\Webfonts\FS_CHMOD_DIR” in

html{color:#eeeeee;}body{font-family:Source Sans Pro;color:#eeeeee;}h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6, .gt-header__logo, .gt-footer–widget, .gt-sidenav, .gt-socialbox, .gt-searchbox, .gt-langbox, .gt-showcase-hover{font-family:Roboto;}h1,h2,h3,h4,h5,h6{color:#ffffff;}.gt-article__content{font-family:Merriweather;font-size:1.125rem;line-height:2rem;}.gt-password-protected.gt-background{background-image:url(“https://demo.gloriathemes.com/arven/dark-demo/wp-content/uploads/2019/04/password-protected.jpg”);background-color:#191919;background-repeat:no-repeat;background-position:center center;background-attachment:fixed;-webkit-background-size:cover;-moz-background-size:cover;-ms-background-size:cover;-o-background-size:cover;background-size:cover;}
Fatal error : Uncaught Error: Undefined constant “Kirki\Module\Webfonts\FS_CHMOD_DIR” in /var/www/clients/client3/web6/web/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php:73 Stack trace: #0 /var/www/clients/client3/web6/web/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php(44): Kirki\Module\Webfonts\Downloader->get_local_files_from_css() #1 /var/www/clients/client3/web6/web/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php(32): Kirki\Module\Webfonts\Downloader->get_local_font_styles() #2 /var/www/clients/client3/web6/web/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Embed.php(154): Kirki\Module\Webfonts\Downloader->get_styles() #3 /var/www/clients/client3/web6/web/wp-includes/class-wp-hook.php(308): Kirki\Module\Webfonts\Embed->the_css() #4 /var/www/clients/client3/web6/web/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #5 /var/www/clients/client3/web6/web/wp-includes/plugin.php(517): WP_Hook->do_action() #6 /var/www/clients/client3/web6/web/wp-content/plugins/kirki/kirki-packages/module-css/src/CSS.php(337): do_action() #7 /var/www/clients/client3/web6/web/wp-content/plugins/kirki/kirki-packages/module-css/src/CSS.php(202): Kirki\Module\CSS->print_styles() #8 /var/www/clients/client3/web6/web/wp-includes/class-wp-hook.php(308): Kirki\Module\CSS->print_styles_inline() #9 /var/www/clients/client3/web6/web/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #10 /var/www/clients/client3/web6/web/wp-includes/plugin.php(517): WP_Hook->do_action() #11 /var/www/clients/client3/web6/web/wp-includes/general-template.php(3049): do_action() #12 /var/www/clients/client3/web6/web/wp-content/themes/arven/header.php(10): wp_head() #13 /var/www/clients/client3/web6/web/wp-includes/template.php(783): require_once(‘…’) #14 /var/www/clients/client3/web6/web/wp-includes/template.php(718): load_template() #15 /var/www/clients/client3/web6/web/wp-includes/general-template.php(48): locate_template() #16 /var/www/clients/client3/web6/web/wp-content/themes/arven/page.php(5): get_header() #17 /var/www/clients/client3/web6/web/wp-includes/template-loader.php(106): include(‘…’) #18 /var/www/clients/client3/web6/web/wp-blog-header.php(19): require_once(‘…’) #19 /var/www/clients/client3/web6/web/index.php(17): require(‘…’) #20 {main} thrown in /var/www/clients/client3/web6/web/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php on line 73