Fatal error during installation

Here is the error when I tried to install it:

Fatal error: Uncaught PDOException: could not find driver in /home/chicsele/public_html/wp-content/plugins/hrm/vendor/illuminate/database/Connectors/Connector.php:67 Stack trace: #0 /home/chicsele/public_html/wp-content/plugins/hrm/vendor/illuminate/database/Connectors/Connector.php(67): PDO->__construct(‘mysql:host=loca…’, ‘chicsele_wp147’, ‘Sp5w9.1w]S’, Array) #1 /home/chicsele/public_html/wp-content/plugins/hrm/vendor/illuminate/database/Connectors/Connector.php(43): Illuminate\Database\Connectors\Connector->createPdoConnection(‘mysql:host=loca…’, ‘chicsele_wp147’, ‘Sp5w9.1w]S’, Array) #2 /home/chicsele/public_html/wp-content/plugins/hrm/vendor/illuminate/database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection(‘mysql:host=loca…’, Array, Array) #3 /home/chicsele/public_html/wp-content/plugins/hrm/vendor/illuminate/database/Connectors/ConnectionFactory.php(183): Illuminate\Database\Connectors\MySqlConnector->connect(Array) #4 [internal function]: Illuminate\Database\Co in /home/chicsele/public_html/wp-content/plugins/hrm/vendor/illuminate/database/Connection.php on line 664