Having an error – ?wc-ajax=update_order_review , how to solve this?

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?wc-ajax=update_order_review.how to solve this error?

I searched lots of sites..I noticed one solution, but I don’t know whether it is work or not?

$( 'body' ).trigger( 'update_checkout' );– this is an solution I got from the sites. Also, I’m new to WordPress,I don’t know where to add this line in woocommerce.in which file, I need to add this?(file path)

if there is any other solution to solve this issues?