Why is the order not placed?

Question

WooCommerce

Good day to all!
The site is made on CMS WordPress + WooCommerce.
After the database verification was done through the built-in WooCommerce tools, orders on the site were no longer processed. Those. after the CHECKOUT page, there should be a payment page. But about clicking on the payment button, an Unable to create order error is generated.
How can this be fixed?