Wordpress 5.8.3, php 8.0
This is the error message:
Een fout van het type E_ERROR werd veroorzaakt op regelnummer (line no.) 90 van het bestand /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-content/plugins/jetpack/vendor/jetpack-autoloader/class-php-autoloader.php. Foutmelding: Uncaught Error: Failed opening required '/home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-content/plugins/jetpack/vendor/automattic/jetpack-roles/src/class-roles.php' (include_path='.:/usr/share/pear') in /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-content/plugins/jetpack/vendor/jetpack-autoloader/class-php-autoloader.php:90
Stack trace:
#0 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-content/plugins/jetpack/vendor/automattic/jetpack-sync/src/class-listener.php(402): Automattic\Jetpack\Autoloader\jpf11009ded9fc4592b6a05b61ce272b3c_jetpack?10_4\PHP_Autoloader::load_class('Automattic\\Jetp...')
#1 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-content/plugins/jetpack/vendor/automattic/jetpack-sync/src/class-listener.php(338): Automattic\Jetpack\Sync\Listener->get_actor('jetpack_plugins...', Array)
#2 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-content/plugins/jetpack/vendor/automattic/jetpack-sync/src/class-listener.php(199): Automattic\Jetpack\Sync\Listener->enqueue_action('jetpack_plugins...', Array, Object(Automattic\Jetpack\Sync\Queue))
#3 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/class-wp-hook.php(303): Automattic\Jetpack\Sync\Listener->action_handler(Array, Array)
#4 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters('', Array)
#5 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#6 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-content/plugins/jetpack/vendor/automattic/jetpack-sync/src/modules/class-plugins.php(173): do_action('jetpack_plugins...', Array, Array)
#7 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/class-wp-hook.php(303): Automattic\Jetpack\Sync\Modules\Plugins->on_upgrader_completion(Object(Plugin_Upgrader), Array)
#8 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array)
#9 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#10 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-admin/includes/class-plugin-upgrader.php(371): do_action('upgrader_proces...', Object(Plugin_Upgrader), Array)
#11 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-admin/includes/ajax-actions.php(4477): Plugin_Upgrader->bulk_upgrade(Array)
#12 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/class-wp-hook.php(303): wp_ajax_update_plugin('')
#13 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters('', Array)
#14 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#15 /home/vhosts/opusklassiek.nl/httpdocs/wordpress/wp-admin/admin-ajax.php(187): do_action('wp_ajax_update-...')
#16 {main}
thrown