Theme Error

I updated Airi theme and got an error on my home page. It’s blank now.
The error message is like this:
WordPress caught an error with your theme, Airi.

Error Details
=============
An error of type E_ERROR was caused in line 51 of the file /home/jobmarke/public_html/wp-content/themes/airi/inc/compatibility/elementor/skins/class-airi-athemes-blog-skin.php. Error message: Uncaught Error: Class 'Elementor\Scheme_Color' not found in /home/jobmarke/public_html/wp-content/themes/airi/inc/compatibility/elementor/skins/class-airi-athemes-blog-skin.php:51
Stack trace:
#0 /home/jobmarke/public_html/wp-includes/class-wp-hook.php(309): Airi_aThemes_Blog_Skin->register_controls(Object(Elementor\Airi_Blog))
#1 /home/jobmarke/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
#2 /home/jobmarke/public_html/wp-includes/plugin.php(474): WP_Hook->do_action(Array)
#3 /home/jobmarke/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(1516): do_action('elementor/eleme...', Object(Elementor\Airi_Blog), Array)
#4 /home/jobmarke/public_html/wp-content/plugins/elementor/includes/base/widget-base.php(257): Elementor\Controls_Stack->start_controls_section('section_style_c...', Array)
#5 /home/jobmarke/public_html/wp-content/themes/airi/inc/compatibility/elementor/blocks/block-blog.php(122): Elementor\Widget_Base->start_controls_section('section_style

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