There has been a critical error from wordpress 5
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check php error log
[28-Sep-2020 08:31:33] WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 32 children, there are 0 idle, and 11 total children
[28-Sep-2020 08:31:34] WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 32 children, there are 0 idle, and 12 total children
idle processes 4
active processes 1
total processes 5
max active processes 20
nginx log
2020/10/04 09:38:34 [error] 329#329: *668368 FastCGI sent in stderr: “PHP message: PHP Fatal error: Uncaught ArgumentCountError: Too few arguments to function BSF_AIOSRS_Pro_Helper::wpsp_upgrade_completed(), 1 passed in /var/www/html/wordpress.com/wp-includes/class-wp-hook.php on line 289 and exactly 2 expected in /var/www/html/wordpress.com/wp-content/plugins/wp-schema-pro/classes/class-bsf-aiosrs-pro-helper.php:185
Stack trace:
#0 /var/www/html/wordpress.com/wp-includes/class-wp-hook.php(289): BSF_AIOSRS_Pro_Helper->wpsp_upgrade_completed(Object(Plugin_Upgrader))
#1 /var/www/html/wordpress.com/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(”, Array)
#2 /var/www/html/wordpress.com/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /var/www/html/wordpress.com/wp-admin/includes/class-plugin-upgrader.php(371): do_action(‘upgrader_proces…’, Object(Plugin_Upgrader), Array)
#4 /var/www/html/wordpress.com/wp-admin/includes/ajax-actions.php(4451): Plugin_Upgrader->bulk_upgrade(Array)
#5 /var/www/html/wordpress.com/wp-i” while reading response header from upstream, client: 157.48.200.154, server: wordpress.com, request: “POST /wp-admin/admin-ajax.php HTTP/2.0”, upstream: “fastcgi://unix:/run/php/php7.3-fpm.sock:”, host: “wordpress.com”, referrer: “https://wordpress.com/wp-admin/plugins.php”
2020/
[02-Oct-2020 06:16:16] NOTICE: [pool www] child 22595 exited with code 0 after 86204.964151 seconds from start
