Fatal error: Uncaught PDOException: could not find driver in /home/perpustakaan/public_html/vendor/yiisoft/yii2/db/Connection.php:722 Stack trace: #0 /home/perpustakaan/public_html/vendor/yiisoft/yii2/db/Connection.php(722): PDO->__construct('mysql:host=loca...', 'perpustakaan_we...', 'PerpustakaanPKP...', NULL) #1 /home/perpustakaan/public_html/vendor/yiisoft/yii2/db/Connection.php(637): yii\db\Connection->createPdoInstance() #2 /home/perpustakaan/public_html/backend/controllers/LanguageController.php(31): yii\db\Connection->open() #3 /home/perpustakaan/public_html/frontend/config/main.php(9): require('/home/perpustak...') #4 /home/perpustakaan/public_html/index.php(18): require('/home/perpustak...') #5 {main} Next yii\db\Exception: could not find driver in /home/perpustakaan/public_html/vendor/yiisoft/yii2/db/Connection.php:648 Stack trace: #0 /home/perpustakaan/public_html/backend/controllers/LanguageController.php(31): yii\db\Connection->open() #1 /home/perpustakaan/public_html/frontend/config/main.php(9): require('/ in /home/perpustakaan/public_html/vendor/yiisoft/yii2/db/Connection.php on line 648