I need to override product view block but i got an error :
Here's my 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 for="Magento\Catalog\Block\Product\View" type="Magento\Module_Inject_Session\Block\Product\View"/>
</config>
Here's my new block :
And there is this error and I have no idea what to do about it :
anyone one know where i'm wrong? or what is the correct way to override this file?