Hi @maielwakil ,
Thanks for reaching out!
I understand that you are experiencing issues with the Bosta WooCommerce plugin, as it causes a critical error on your site.
Kindly note that this forum is for support related to the free WooCommerce core plugin, and further help regarding this issue would need to be provided by the developers of the Bosta WooCommerce plugin.
You can create a topic in their dedicated support forum below:
Hope this helps 🙂