Installation fails in php 8

This is what I get:

wp-die-message { display: none; } Fatal error: Uncaught Error: call_user_func_array(): Argument #1 ($function) must be a valid callback, array must have exactly two membersin /home/mysite/public_html/wp-includes/class-wp-hook.php on line 292Call stack:WP_Hook::apply_filters()wp-includes/class-wp-hook.php:316WP_Hook::do_action()wp-includes/plugin.php:484do_action()wp-admin/includes/class-wp-upgrader.php:857WP_Upgrader::run()wp-admin/includes/class-plugin-upgrader.php:137Plugin_Upgrader::install()wp-admin/includes/ajax-actions.php:4354wp_ajax_install_plugin()wp-includes/class-wp-hook.php:292WP_Hook::apply_filters()wp-includes/class-wp-hook.php:316WP_Hook::do_action()wp-includes/plugin.php:484do_action()wp-admin/admin-ajax.php:187Query Monitor Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($function) must be a valid callback, array must have exactly two members in /home/mysite/public_html/wp-includes/class-wp-hook.php:292 Stack trace: #0 /home/mysite/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #1 /home/mysite/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #2 /home/mysite/public_html/wp-admin/includes/class-wp-upgrader.php(857): do_action('upgrader_proces...', Object(Plugin_Upgrader), Array) #3 /home/mysite/public_html/wp-admin/includes/class-plugin-upgrader.php(137): WP_Upgrader->run(Array) #4 /home/mysite/public_html/wp-admin/includes/ajax-actions.php(4354): Plugin_Upgrader->install('https://downloa...') #5 /home/mysite/public_html/wp-includes/class-wp-hook.php(292): wp_ajax_install_plugin('') #6 /home/mysite/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters('', Array) #7 /home/mysite/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #8 /home/mysite/public_html/wp-admin/admin-ajax.php(187): do_action('wp_ajax_install...') #9 {main} thrown in /home/mysite/public_html/wp-includes/class-wp-hook.php on line 292