I have upgrade magneto 2.2.6 to magento 2.3.1 and found "Unable to unserialize value. Error: Syntax error" error during run the
php bin/magneto command in terminal
Thanks in advance.
Clearing redis cache
This should be part of the steps outlined in the upgrade document
(https://devdocs.magento.com/guides/v2.3/comp-mgr/cli/cli-upgrade.html). The command should be run after
composer update and before