Fatal Error in 9.4.0

[05-Jul-2023 20:49:40 UTC] PHP Fatal error: Uncaught Error: Call to undefined function PixelYourSite\Tiktok() in /home/nginx/domains/domain.com/public/wp-content/plugins/pixelyoursite/includes/class-events-manager.php:563
Stack trace:
#0 /home/nginx/domains/domain.com/public/wp-content/plugins/pixelyoursite/includes/class-events-manager.php(27): PixelYourSite\EventsManager->set_pbid()
#1 /home/nginx/domains/domain.com/public/wp-content/plugins/pixelyoursite/includes/class-pys.php(311): PixelYourSite\EventsManager->__construct()
#2 /home/nginx/domains/domain.com/public/wp-includes/class-wp-hook.php(308): PixelYourSite\PYS->managePixels()
#3 /home/nginx/domains/domain.com/public/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#4 /home/nginx/domains/domain.com/public/wp-includes/plugin.php(517): WP_Hook->do_action()
#5 /home/nginx/domains/domain.com/public/wp-includes/template-loader.php(13): do_action()
#6 /home/nginx/domains/domain.com/public/wp-blog-header.php(19): require_once('/home in /home/nginx/domains/domain.com/public/wp-content/plugins/pixelyoursite/includes/class-events-manager.php on line 563

Downgraded back to 9.3.9 fixes it