Skin Error

I have received this error.

Un errore di E_ERROR è stato causato nella linea 3382 del file /home/k84is3v6/dev.inarea.me/wp-content/plugins/powerpack-elements/modules/posts/skins/skin-base.php. Messaggio di errore: Uncaught Error: Class 'Elementor\Scheme_Color' not found in /home/k84is3v6/dev.inarea.me/wp-content/plugins/powerpack-elements/modules/posts/skins/skin-base.php:3382
Stack trace:
#0 /home/k84is3v6/dev.inarea.me/wp-content/plugins/powerpack-elements/modules/posts/skins/skin-base.php(72): PowerpackElements\Modules\Posts\Skins\Skin_Base->register_style_title_controls()
#1 /home/k84is3v6/dev.inarea.me/wp-content/plugins/powerpack-elements/modules/posts/skins/skin-base.php(44): PowerpackElements\Modules\Posts\Skins\Skin_Base->register_style_controls()
#2 /home/k84is3v6/dev.inarea.me/wp-includes/class-wp-hook.php(309): PowerpackElements\Modules\Posts\Skins\Skin_Base->register_style_sections(Object(PowerpackElements\Modules\Posts\Widgets\Posts))
#3 /home/k84is3v6/dev.inarea.me/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#4 /home/k84is3v6/dev.inarea.me/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#5 /home/k84is3v6/dev.inarea.me/wp-content/plugins/elementor/includes/base/controls-