magento 2 bug fixing

Fix Magento 2 cron_schedule catalog_product_attribute_value_synchronize error

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SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`magento2`.`catalog_product_entity_datetime`, CONSTRAINT `CAT_PRD_ENTT_DTIME_ENTT_ID_CAT_PRD_ENTT_ENTT_ID` FOREIGN KEY (`entity_id`) REFERENCES `catalog_product_entity` (`entity_id`) ON DELETE CAS), query was: INSERT INTO catalog_product_entity_datetime(attribute_id, store_id, entity_id, `value`) VALUES (:attribute_id0,:store_id0,:entity_id0,:value0) ON duplicate KEY UPDATE `value` = VALUES(`value`) The problem Cron schedule return status error when processing … Read more

Fatal error: Uncaught Error: Cannot instantiate interface Magento\Framework\App\ExceptionHandlerInterface

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Environment: PHP 7.2 Magento 2.3.4 1. The error Fatal error: Uncaught Error: Cannot instantiate interface Magento\Framework\App\ExceptionHandlerInterface in /var/www/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php:50 Stack trace: #0 /var/www/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create(‘Magento\\Framewo…’) #1 /var/www/vendor/magento/framework/App/Http.php(100): Magento\Framework\ObjectManager\ObjectManager->get(‘Magento\\Framewo…’) #2 /var/www/generated/code/Magento/Framework/App/Http/Interceptor.php(14): Magento\Framework\App\Http->__construct(Object(Magento\Framework\App\ObjectManager), Object(Magento\Framework\Event\Manager), Object(Magento\Framework\App\AreaList), Object(Magento\Framework\App\Request\Http), Object(Magento\Framework\App\Response\Http\Interceptor), Object(Magento\Framework\App\ObjectManager\ConfigLoader), Object(Magento\Framework\App\State), Object(Magento\Framework\Registry), NULL) #3 /var/www/vendor/magento/framework/ObjectManager/Factory/Abs in /var/www/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php on line 50 This error is caused by missing abstraction-implementation mapping in app/etc/di.xml. 2. Added this line … Read more