Fatal error: Uncaught TypeError: Argument 1 passed to Magento\Framework\Mail\AddressConverter::convertMany() must be of the type array, null given, called in /home/677473.cloudwaysapps.com/cqdhazzdwv/public_html/vendor/magento/framework/Mail/Template/TransportBuilder.php on line 435 and defined in /home/677473.cloudwaysapps.com/cqdhazzdwv/public_html/vendor/magento/framework/Mail/AddressConverter.php:59 Stack trace: #0 /home/677473.cloudwaysapps.com/cqdhazzdwv/public_html/vendor/magento/framework/Mail/Template/TransportBuilder.php(435): Magento\Framework\Mail\AddressConverter->convertMany() #1 /home/677473.cloudwaysapps.com/cqdhazzdwv/public_html/vendor/magento/framework/Mail/Template/TransportBuilder.php(201): Magento\Framework\Mail\Template\TransportBuilder->addAddressByType() #2 /home/677473.cloudwaysapps.com/cqdhazzdwv/public_html/vendor/webkul/advanced-seo-manager/Observer/Pageobserver.php(75): Magento\Framework\Mail\Template\TransportBuilder->addTo() #3 /home/677473.cloudwaysapps.com/cqdhazzdwv/public_html/vendor/ma in /home/677473.cloudwaysapps.com/cqdhazzdwv/public_html/vendor/magento/framework/Mail/AddressConverter.php on line 59