Fatal error: Uncaught Error: Class 'CI_Controller' not found in H:\root\home\elabprem-001\www\LokatantraLive\sys\core\CodeIgniter.php:233 Stack trace: #0 H:\root\home\elabprem-001\www\LokatantraLive\sys\core\Lang.php(98): get_instance() #1 H:\root\home\elabprem-001\www\LokatantraLive\sys\database\DB_driver.php(1165): CI_Lang->load('db_lang.php') #2 H:\root\home\elabprem-001\www\LokatantraLive\sys\database\DB_driver.php(124): CI_DB_driver->display_error('db_unable_to_co...') #3 H:\root\home\elabprem-001\www\LokatantraLive\sys\database\DB.php(148): CI_DB_driver->initialize() #4 H:\root\home\elabprem-001\www\LokatantraLive\app\config\routes.php(73): DB() #5 H:\root\home\elabprem-001\www\LokatantraLive\sys\core\Router.php(138): include('H:\\root\\home\\el...') #6 H:\root\home\elabprem-001\www\LokatantraLive\sys\core\CodeIgniter.php(173): CI_Router->_set_routing() #7 H:\root\home\elabprem-001\www\LokatantraLive\index.php(203): require_once('H:\\root\\home\\el...') #8 {main} thrown in H:\root\home\elabprem-001\www\LokatantraLive\sys\core\CodeIgniter.php on line 233