Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 13185588 bytes) in /var/www/html/wp-includes/class-wpdb.php on line 2351
Stack trace:
#0 /var/www/html/wp-includes/class-wpdb.php(2351): mysqli_query(Object(mysqli), 'UPDATE `wp_opti...')
#1 /var/www/html/wp-includes/class-wpdb.php(2265): wpdb->_do_query('UPDATE `wp_opti...')
#2 /var/www/html/wp-includes/class-wpdb.php(2720): wpdb->query('UPDATE `wp_opti...')
#3 /var/www/html/wp-includes/option.php(961): wpdb->update('wp_options', Array, Array)
#4 /var/www/html/wp-includes/option.php(1572): update_option('_transient_wc_l...', Array)
#5 /var/www/html/media/plugins/woocommerce/src/Internal/ProductAttributesLookup/Filterer.php(214): set_transient('wc_layered_nav_...', Array, 86400)
#6 /var/www/html/media/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(351): Automattic\WooCommerce\Internal\ProductAttributesLookup\Filterer->get_filtered_term_product_counts(Array, 'pa_brand', 'and')
#7 /var/www/html/media/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(396): WC_Widget_Layered_Nav->get_filtered_term_product_counts(Array, 'pa_brand', 'and')
#8 /var/www/html/media/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(187): WC_Widget_Layered_Nav->layered_nav_list(Array, 'pa_brand', 'and')
#9 /var/www/html/wp-includes/class-wp-widget.php(394): WC_Widget_Layered_Nav->widget(Array, Array)
#10 /var/www/html/wp-includes/widgets.php(845): WP_Widget->display_callback(Array, Array)
#11 /var/www/html/media/themes/flatsome/woocommerce/layouts/category.php(17): dynamic_sidebar('shop-sidebar')
#12 /var/www/html/wp-includes/template.php(816): require('/var/www/html/m...')
#13 /var/www/html/media/plugins/woocommerce/includes/wc-core-functions.php(290): load_template('/var/www/html/m...', false)
#14 /var/www/html/media/themes/flatsome/woocommerce/archive-product.php(33): wc_get_template_part('layouts/categor...', 'left-sidebar')
#15 /var/www/html/media/plugins/woocommerce/includes/wc-core-functions.php(352): include('/var/www/html/m...')
#16 /var/www/html/media/plugins/woocommerce/templates/taxonomy-product-cat.php(22): wc_get_template('archive-product...')
#17 /var/www/html/wp-includes/template-loader.php(132): include('/var/www/html/m...')
#18 /var/www/html/wp-blog-header.php(19): require_once('/var/www/html/w...')
#19 /var/www/html/index.php(17): require('/var/www/html/w...')
#20 {main}

Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 13189120 bytes) in /var/www/html/wp-includes/functions.php on line 4398
Stack trace:
#0 /var/www/html/wp-includes/functions.php(4398): json_encode(Array, 320, 512)
#1 /var/www/html/media/mu-plugins/codex-fatal-diagnostic.php(11): wp_json_encode(Array, 320)
#2 [internal function]: {closure:/var/www/html/media/mu-plugins/codex-fatal-diagnostic.php:7}()
#3 {main}