Fatal error: Uncaught Error: Interface 'Magento\Customer\CustomerData\SectionPoolInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-customer/CustomerData/SectionPool.php:17 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-customer/CustomerData/SectionPool.php on line 17