Im getting this error when uncheck ship to diferent address with and endless loading
<b>Notice</b>: Undefined index: billing_country in <b>/opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/atum-multi-inventory/classes/Inc/Orders.php</b> on line <b>2231</b><br />
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<b>Notice</b>: Undefined index: billing_postcode in <b>/opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/atum-multi-inventory/classes/Inc/Orders.php</b> on line <b>2232</b><br />
{"result":"failure","messages":"<div class=\"woocommerce-error\">Lo sentimos, \u00abCelular HYUNDAI E475\u00bb est\u00e1 agotado. Por favor, modifica tu carrito y vuelve a intentarlo. Sentimos cualquier inconveniente que esto te provoque.<\/div>","reload":"true","fragments":{".woocommerce-checkout-review-order-table":"<table class=\"shop_table woocommerce-checkout-review-order-table\">\n\t<thead>\n\t\t<tr>\n\t\t\t<th class=\"product-name\">Producto<\/th>\n\t\t\t<th class=\"product-total\">Subtotal<\/th>\n\t\t<\/tr>\n\t<\/thead>\n\t<tbody>\n\t\t\t\t\t\t<tr class=\"cart_item\">\n\t\t\t\t\t<td class=\"product-name\">\n\t\t\t\t\t\t<img width=\"405\" height=\"330\" src=\"http:\/\/34.106.234.68\/wp-content\/uploads\/2020\/11\/0003101-405x330.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" loading=\"lazy\" \/>Aud\u00edfonos Manos Libres \t\t\t\t\t\t <strong class=\"product-quantity\">× 1<\/strong>\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t<td class=\"product-total\">\n\t\t\t\t\t\t<span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">$<\/span>46.400,00<\/bdi><\/span> <small class=\"tax_label\">(incl. impuestos)<\/small>\t\t\t\t\t<\/td>\n\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"cart_item\">\n\t\t\t\t\t<td class=\"product-name\">\n\t\t\t\t\t\t<img width=\"405\" height=\"330\" src=\"http:\/\/34.106.234.68\/wp-content\/uploads\/2020\/11\/0003100-405x330.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" loading=\"lazy\" \/>Aud\u00edfono con Micr\u00f3fono \t\t\t\t\t\t <strong class=\"product-quantity\">× 2<\/strong>\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t<td class=\"product-total\">\n\t\t\t\t\t\t<span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">$<\/span>64.960,00<\/bdi><\/span> <small class=\"tax_label\">(incl. impuestos)<\/small>\t\t\t\t\t<\/td>\n\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"cart_item\">\n\t\t\t\t\t<td class=\"product-name\">\n\t\t\t\t\t\t<img width=\"405\" height=\"330\" src=\"http:\/\/34.106.234.68\/wp-content\/uploads\/2020\/11\/0002696-405x330.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" loading=\"lazy\" \/>Celular HYUNDAI E475 \t\t\t\t\t\t <strong class=\"product-quantity\">× 1<\/strong>\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t<td class=\"product-total\">\n\t\t\t\t\t\t<span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">$<\/span>208.684,00<\/bdi><\/span> <small class=\"tax_label\">(incl. impuestos)<\/small>\t\t\t\t\t<\/td>\n\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"cart_item\">\n\t\t\t\t\t<td class=\"product-name\">\n\t\t\t\t\t\t<img width=\"405\" height=\"330\" src=\"http:\/\/34.106.234.68\/wp-content\/uploads\/2020\/11\/xs-63600_01-405x330.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" loading=\"lazy\" \/>AMPLIFICADOR DE SONIDO XSMART TIPO MALETA 30W,BT,USB,SD,FM, MICROFONO INALAMBRICO \t\t\t\t\t\t <strong class=\"product-quantity\">× 1<\/strong>\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t<td class=\"product-total\">\n\t\t\t\t\t\t<span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">$<\/span>347.884,00<\/bdi><\/span> <small class=\"tax_label\">(incl. impuestos)<\/small>\t\t\t\t\t<\/td>\n\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"cart_item\">\n\t\t\t\t\t<td class=\"product-name\">\n\t\t\t\t\t\t<img width=\"405\" height=\"330\" src=\"http:\/\/34.106.234.68\/wp-content\/uploads\/2020\/11\/IMAGEN-PARLANTE-VTA-82519-405x330.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" loading=\"lazy\" \/>PARLANTE RECARGABLE DE 16 WATTS RMS, BLUETOOTH, US \t\t\t\t\t\t <strong class=\"product-quantity\">× 1<\/strong>\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t<td class=\"product-total\">\n\t\t\t\t\t\t<span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">$<\/span>150.684,00<\/bdi><\/span> <small class=\"tax_label\">(incl. impuestos)<\/small>\t\t\t\t\t<\/td>\n\t\t\t\t<\/tr>\n\t\t\t\t\t<\/tbody>\n\t<tfoot>\n\n\t\t<tr class=\"cart-subtotal\">\n\t\t\t<th>Subtotal<\/th>\n\t\t\t<td><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">$<\/span>818.612,00<\/bdi><\/span> <small class=\"tax_label\">(incl. impuestos)<\/small><\/td>\n\t\t<\/tr>\n\n\t\t\n\t\t\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t<tr class=\"order-total\">\n\t\t\t<th>Total<\/th>\n\t\t\t<td><strong><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">$<\/span>829.052,00<\/bdi><\/span><\/strong> <small class=\"includes_tax\">(incluye <span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">$<\/span>114.352,00<\/span> IVA)<\/small><\/td>\n\t\t<\/tr>\n\n\t\t\n\t<\/tfoot>\n<\/table>\n",".woocommerce-checkout-payment":"<div id=\"payment\" class=\"woocommerce-checkout-payment\"><\/div>"}}