Fatal error: Uncaught Error: Cannot unset string offsets in /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-includes/cron.php:688 Stack trace: #0 /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-content/plugins/wordpress-seo/inc/class-upgrade.php(840): wp_unschedule_hook('wpseo_cleanup_o...') #1 /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-content/plugins/wordpress-seo/inc/class-upgrade.php(116): WPSEO_Upgrade->upgrade_172('17.1') #2 [internal function]: WPSEO_Upgrade->run_upgrade_routine('upgrade_172', '17.2-RC0', '17.1') #3 /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-content/plugins/wordpress-seo/inc/class-upgrade.php(80): array_walk(Array, Array, '17.1') #4 /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-content/plugins/wordpress-seo/wp-seo-main.php(328): WPSEO_Upgrade->__construct() #5 /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-includes/class-wp-hook.php(303): wpseo_init('') #6 /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-includes/class-wp-hook.php(327): WP_Hook- in /srv/users/kodeinisiatif/apps/kodeinisiatif/public/wp-includes/cron.php on line 688