我已经在浏览器中启动了我的Symfony项目，但我在error.log
[：error] [pid 4789] [client :: 1：39684] PHP致命错误：未捕获的异常＆＃39; PDOException＆＃39;有消息＆＃39;无法找到驱动程序＆＃39; in /var/www/html/ensoSteps/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43\nStack trace：\ n＃0 / var / www / html / ensoSteps / vendor / doctrine / dbal / lib / Doctrine / DBAL / Driver / PDOConnection.php（43）：PDO-＆gt; __ construct（＆＃39; sqlite：/ var / www ...＆＃39;，NULL，NULL，Array）\ n＃ 1 /var/www/html/ensoSteps/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOSqlite/Driver.php(60）：Doctrine \ DBAL \ Driver \ PDOConnection-＆gt; __ construct（＆＃39; sqlite ：/ var / www ...＆＃39;，NULL，NULL，Array）\ n＃2 /var/www/html/ensoSteps/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(360） ：Doctrine \ DBAL \ Driver \ PDOSqlite \ Driver-＆gt; connect（Array，NULL，NULL，Array）\ n＃3 / var / www / html / ensoSteps / vendor / doctrine / dbal / lib / Doctrine / DBAL / Connection。 php（1365）：Doctrine \ DBAL \ Connection-＆gt; connect（）\ n＃4 /var/www/html/ensoSteps/vendor/jackalope/jackalope-doctrine-dbal/src/Jackalope/Transport/DoctrineDBAL/Client.php （2619）：Doctrine \ DBAL \ Connection-＆gt; getWrappedConnection（）\ n＃5 / var / www / html / ensoSteps / vendor / jackalope / jack in / var / www / html / ensoSteps / vendor / jackalope / jackalope-doctrine-dbal / src / Jackalope / Transport / DoctrineDBAL / Client.php 460行
请帮我解决这个问题。