2
Try this
Vender/Module/etc/di.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/ObjectManager/etc/config.xsd">
<preference type="Vender\Module\Block\Product\ListProduct"
for="Magento\Catalog\Block\Product\...
2
try Following way...
$order = Mage::getSingleton('sales/order')->loadByIncrementId($orderId);
$order->getGrandTotal();
1
if you are on windows open the folder and give permissions to generated folder to "uncheck" read only and for linux operating systems use chmod -R 755 generated and you will be able to install the magento 2.3.1
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