error when using mysql driver

i tried using the mysql driver instead of the mysqli i get the following error please help 
CRITICAL - 2020-02-18 16:59:27 --> Class '\CodeIgniter\Database\MySQL\Connection' not found
#0 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\vendor\codeigniter4\framework\system\Database\Config.php(115): CodeIgniter\Database\Database->load()
#1 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\vendor\codeigniter4\framework\system\Common.php(138): CodeIgniter\Database\Config::connect()
#2 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\app\Controllers\Auth.php(50): db_connect()
#3 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\vendor\codeigniter4\framework\system\CodeIgniter.php(847): App\Controllers\Auth->register()
#4 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\vendor\codeigniter4\framework\system\CodeIgniter.php(338): CodeIgniter\CodeIgniter->runController()
#5 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\vendor\codeigniter4\framework\system\CodeIgniter.php(246): CodeIgniter\CodeIgniter->handleRequest()
#6 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\public\index.php(45): CodeIgniter\CodeIgniter->run()
#7 C:\Users\jonas\OneDrive\Documents\ByteHiveStudio\project-root\vendor\codeigniter4\framework\system\Commands\Server\rewrite.php(34): require_once('C:\\Users\\jonas\\...')
#8 {main}

mysql is removed from PHP 7 ... you can't use it

CodeIgniter 4 requires at least PHP 7.2 to run ..

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