WooCommerce 8.8.2 2024-04-17 時点の Server Requirements で 256MB 必要
https://ja.wordpress.org/plugins/woocommerce/#installation
WordPress version 6.3 or great.
PHP version 7.4 or greater.
MySQL version 5.67 or greater OR MariaDB version 10.4 or greater.
WordPress memory limit of 256 MB or greater.
HTTPS support.
https://woocommerce.com/document/increasing-the-wordpress-memory-limit/