Fatal error: Uncaught Error: Class 'mysqli' not found in /var/www/googlemerchantapi/data/www/googlemerchantapi.pinta.pro/opencart3/system/library/db/mysqli.php:7 Stack trace: #0 /var/www/googlemerchantapi/data/www/googlemerchantapi.pinta.pro/opencart3/system/library/db.php(31): DB\MySQLi->__construct('localhost', 'googlemerchanta...', 'qF0qQ8jT6p', 'demo_googlemerc...', '3306') #1 /var/www/googlemerchantapi/data/www/googlemerchantapi.pinta.pro/opencart3/system/framework.php(80): DB->__construct('mysqli', 'localhost', 'googlemerchanta...', 'qF0qQ8jT6p', 'demo_googlemerc...', '3306') #2 /var/www/googlemerchantapi/data/www/googlemerchantapi.pinta.pro/opencart3/system/startup.php(104): require_once('/var/www/google...') #3 /var/www/googlemerchantapi/data/www/googlemerchantapi.pinta.pro/opencart3/index.php(24): start('catalog') #4 {main} thrown in /var/www/googlemerchantapi/data/www/googlemerchantapi.pinta.pro/opencart3/system/library/db/mysqli.php on line 7