Fatal error: Uncaught Error: Class "PDO" not found in /home2/usmanka1/journal.uhe.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php:49 Stack trace: #0 /home2/usmanka1/journal.uhe.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php(37): Illuminate\Database\Capsule\Manager->setupDefaultConfiguration() #1 /home2/usmanka1/journal.uhe.edu.pk/lib/pkp/classes/core/PKPApplication.inc.php(206): Illuminate\Database\Capsule\Manager->__construct() #2 /home2/usmanka1/journal.uhe.edu.pk/lib/pkp/classes/core/PKPApplication.inc.php(166): PKPApplication->initializeDatabaseConnection() #3 /home2/usmanka1/journal.uhe.edu.pk/lib/pkp/includes/bootstrap.inc.php(41): PKPApplication->__construct() #4 /home2/usmanka1/journal.uhe.edu.pk/index.php(70): require('/home2/usmanka1...') #5 {main} thrown in /home2/usmanka1/journal.uhe.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php on line 49