Code snippet to ensure compatibility between the Smart Coupons for WooCommerce, Side Cart WooCommerce, and Mercado Pago plugins - By WebToffee( Smart Coupon For WooCommerce Plugin)

functions.php

//Do not copy this line of code
/**
 * Set block checkout values on page load.
*/
add_action( 'wp_head', function() {
	?>
	<script>
		jQuery(document).ready(function($){
			setTimeout(() => wbte_set_block_checkout_values(), 100);

			function wbte_set_block_checkout_values() {
				let payment_method = '';
				let shipping_method = {};
			
				if( $('[name="radio-control-wc-payment-method-options"]').length ) {
					
					/* Prepare payment method from radio button */
					payment_method = $('[name="radio-control-wc-payment-method-options"]:checked').val();           

				}
				
				/* Prepare shipping method from radio button */
				if( $('.wc-block-components-shipping-rates-control input[type="radio"]').length ) {         
					$('.wc-block-components-shipping-rates-control input[type="radio"]:checked').each(function(){
						let prefix = $(this).attr('name').split('-').pop();
						shipping_method[prefix] = $(this).val();
					});
				}

				WTSmartCouponOBJ.shipping_method = shipping_method;
        		WTSmartCouponOBJ.payment_method = payment_method;

				$.ajax({
					type: "POST",
					async: true,
					url: WTSmartCouponOBJ.wc_ajax_url + 'wbte_sc_set_block_checkout_values',
					data: { '_wpnonce': WTSmartCouponOBJ.nonces.public, 'payment_method': payment_method, 'shipping_method': shipping_method },
					dataType: 'json',
					success:function( data ) {
						
					},
				});
				
			}
		});
	</script>
	<?php
} );