Hi gavrielsgs,
Thanks for reaching to us.
1. It seems you changed by yourself, please confirm me back.
2. Regarding coupon code, for specialized assistance and potential solutions, I kindly suggest that you reach out directly to the WooCommerce plugin’s support team https://wordpress.org/support/plugin/woocommerce/, who are better equipped to provide you with the guidance you requires or You need to find a third party plugin to achieve more functionality that best suits you.
If you have any questions please feel free to contact us.
Kind Regards