Ограничение 28 символов в атрибутах woocommerce

you can follow these steps to increase the limit

1. Access Your Database: Use phpMyAdmin or a similar tool.
2. Locate the Table: Find the wp_woocommerce_attribute_taxonomies table.
3. Change the Column Type: Adjust the attribute_name column’s limit from VARCHAR(28) to a higher value, such as VARCHAR(50)
   
   ALTER TABLE wp_woocommerce_attribute_taxonomies MODIFY attribute_name VARCHAR(50);