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PHP Fatal error: Uncaught TypeError: Argument 1 passed to Magento\Framework\Data\Collection\AbstractDb::setConnection() must implement interface Magento\Framework\DB\Adapter\AdapterInterface, boolean given, called in /var/www/stg.bulk.ls1/public_html/vendor/magento/framework/Model/ResourceModel/Db/Collection/AbstractCollection.php on line 124 and defined in /var/www/stg.bulk.ls1/public_html/vendor/magento/framework/Data/Collection/AbstractDb.php:183\nStack trace:\n#0 /var/www/stg.bulk.ls1/public_html/vendor/magento/framework/Model/ResourceModel/Db/Collection/AbstractCollection.php(124): Magento\Framework\Data\Collection\AbstractDb->setConnection(false)\n#1 /var/www/stg.bulk.ls1/public_html/app/code/FishPig/WordPress/Model/ResourceModel/Collection/AbstractCollection.php(24): Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection->__construct(Object(Magento\Framework\Data\Collection\EntityFactory), Object(Magento\Framework\Logger\Monolog), Object(Magento\Framework\Data\Collection\Db\FetchStrategy\Query), Object(Mag in /var/www/stg.bulk.ls1/public_html/vendor/magento/framework/Data/Collection/AbstractDb.php on line 183

  • Is it default magento installation? – Sohel Rana Jan 10 at 15:10
  • when this error occurred? – Himanshu Jan 11 at 5:41
  • when update from magento 2.2.1 to 2.2.7 error show – Rafiqul Islam Jan 11 at 6:41
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This problem is caused by the FishPig_WordPress integration module being enabled, but the associated WordPress database is not available. If you've downloaded a copy of a website with this enabled without the attached WordPress site database - your site front-end can likely crash if it's using widgets associated with FishPig_WordPress.

You have two options:

  1. If you're just using the site locally for development, you can disable the module using php bin/magento module:disable FishPig_WordPress. Re-compile and clear the cache afterward.
  2. Find the missing WordPress database and set it up - if you're not sure where the Wordpress site is installed, you can find it's relative path by using the following SQL query SELECT * FROM db.core_config_data WHEREpath= 'wordpress/setup/path';. From there - you can find the necessary details in the wp-config.php to help locate your missing database.

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