Magento 2: Undefined Index Error When Upgrading to 2.3.3

Question

When upgrading to magento 2.3.3 I get the following error.

• I have already ran composer install
• Error occurs when running: php bin/magento setup:upgrade

Notice: Undefined index: search_query in /home/magento/htdocs/vendor/magento/framework/Setup/Declaration/Schema/Declaration/SchemaBuilder.php on line 352

Answer 1

This will be because Magento_Search is turned off. You can get passed this error by enabling the module. in app/etc/config.php change the line

'Magento_Search' => 0,

to

'Magento_Search' => 1,