Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, WP_Error given in /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/modern-events-calendar/app/libraries/render.php:998 Stack trace: #0 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/modern-events-calendar/app/libraries/render.php(998): usort(Object(WP_Error), Object(Closure)) #1 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/modern-events-calendar/app/libraries/main.php(10022): MEC_render->data('35424') #2 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/modern-events-calendar/app/libraries/notifications.php(2710): MEC_main->get_ical_rrules('35424', true) #3 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/modern-events-calendar/app/libraries/notifications.php(560): MEC_notifications->content('Dobr\xC3\xBD den Lenk...', 35639, Array) #4 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/class-wp-hook.php(353): MEC_notifications->booking_confirmation(35639, 'auto') #5 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/class-wp-hook.php(377): WP_Hook->apply_filters(false, Array) #6 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/plugin.php(523): WP_Hook->do_action(Array) #7 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/modern-events-calendar/app/libraries/book.php(582): do_action('mec_booking_con...', 35639, 'auto') #8 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/mec-woocommerce/core/integrations/parts/sync.php(315): MEC_book->confirm(35639, 'auto') #9 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/class-wp-hook.php(355): MEC_Woocommerce\Core\Integrations\Sync->manual_confirm_bookings(35638) #10 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/class-wp-hook.php(377): WP_Hook->apply_filters('', Array) #11 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/plugin.php(523): WP_Hook->do_action(Array) #12 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/woocommerce/includes/class-wc-order.php(457): do_action('woocommerce_ord...', 35638, Object(Automattic\WooCommerce\Admin\Overrides\Order), Array) #13 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/woocommerce/includes/class-wc-order.php(286): WC_Order->status_transition() #14 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/woocommerce/includes/class-wc-order.php(409): WC_Order->save() #15 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/woo-fio/public/class-woo-fio.php(398): WC_Order->update_status('processing') #16 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/woo-fio/public/class-woo-fio.php(321): Woo_Fio->set_payment_order_status('35638', 70.0) #17 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/class-wp-hook.php(353): Woo_Fio->get_fio_data('') #18 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/class-wp-hook.php(377): WP_Hook->apply_filters(NULL, Array) #19 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-includes/plugin.php(523): WP_Hook->do_action(Array) #20 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-settings.php(779): do_action('init') #21 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-config.php(93): require_once('/data/web/virtu...') #22 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-load.php(50): require_once('/data/web/virtu...') #23 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-blog-header.php(13): require_once('/data/web/virtu...') #24 /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/index.php(17): require('/data/web/virtu...') #25 {main} thrown in /data/web/virtuals/126947/virtual/www/domains/kasparkov.cz/wp-content/plugins/modern-events-calendar/app/libraries/render.php on line 998