Fatal error: Uncaught Error: Class ‘domDocument’

After activating the plugin we get below Fatal error:

[09-Apr-2022 03:00:23 UTC] PHP Fatal error: Uncaught Error: Class ‘domDocument’ not found in /home/melcarre/public_html/wp-content/plugins/wp-seopress/inc/functions/options-social.php:735
Stack trace:
#0 /home/melcarre/public_html/wp-content/plugins/wp-seopress/inc/functions/options-social.php(855): seopress_thumbnail_in_content()
#1 /home/melcarre/public_html/wp-includes/class-wp-hook.php(286): seopress_social_fb_img_hook(”)
#2 /home/melcarre/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
#3 /home/melcarre/public_html/wp-includes/plugin.php(465): WP_Hook->do_action(Array)
#4 /home/melcarre/public_html/wp-includes/general-template.php(2745): do_action(‘wp_head’)
#5 /home/melcarre/public_html/wp-content/themes/rentit-child/header.php(16): wp_head()
#6 /home/melcarre/public_html/wp-includes/template.php(722): require_once(‘/home/melcarre/…’)
#7 /home/melcarre/public_html/wp-includes/template.php(671): load_template(‘/home/melcarre/…’, true)
#8 /home/melcarre/public_html/wp-includes/general-template.php(41): locat in /home/melcarre/public_html/wp-content/plugins/wp-seopress/inc/functions/options-social.php on line 735