Checkout error.

Dear Community,
I am new developer , created a new site.Everything worked well except an Error on checkout page . I am using COD as a payment Gateway .But still i am getting an error:

"There was an error processing your order.
Please check for any charges in your payment method and review your
order history
before placing the order again."

Emails are also not been send along. But the order data is saving in my website . Kindly help me get over this issue .
Thank you

 

This site will teach you how to build a WordPress website for beginners. We will cover everything from installing WordPress to adding pages, posts, and images to your site. You will learn how to customize your site with themes and plugins, as well as how to market your site online.

Buy WordPress Transfer