Fatal error: Uncaught mysqli_sql_exception: Table 'scalar_db_sessions' is marked as crashed and should be repaired in /scalar-data/scalar.usc.edu/works/system/database/drivers/mysqli/mysqli_driver.php:180 Stack trace: #0 /scalar-data/scalar.usc.edu/works/system/database/drivers/mysqli/mysqli_driver.php(180): mysqli_query(Object(mysqli), 'DELETE FROM `sc...') #1 /scalar-data/scalar.usc.edu/works/system/database/DB_driver.php(456): CI_DB_mysqli_driver->_execute('DELETE FROM `sc...') #2 /scalar-data/scalar.usc.edu/works/system/database/DB_driver.php(302): CI_DB_driver->simple_query('DELETE FROM `sc...') #3 /scalar-data/scalar.usc.edu/works/system/database/DB_active_rec.php(1581): CI_DB_driver->query('DELETE FROM `sc...') #4 /scalar-data/scalar.usc.edu/works/system/libraries/Session.php(783): CI_DB_active_record->delete('`scalar_db_sess...') #5 /scalar-data/scalar.usc.edu/works/system/libraries/Session.php(123): CI_Session->_sess_gc() #6 /scalar-data/scalar.usc.edu/works/system/application/core/Loader.php(1101): CI_Session->__construct() #7 /scalar-data/scalar.usc.edu/works/system/application/core/Loader.php(977): CI_Loader->_ci_init_class('session', '', NULL, NULL) #8 /scalar-data/scalar.usc.edu/works/system/application/core/Loader.php(218): CI_Loader->_ci_load_class('Session', NULL, NULL) #9 /scalar-data/scalar.usc.edu/works/system/application/core/MY_Controller.php(48): CI_Loader->library('session') #10 /scalar-data/scalar.usc.edu/works/system/application/controllers/book.php(48): MY_Controller->__construct() #11 /scalar-data/scalar.usc.edu/works/system/core/CodeIgniter.php(309): Book->__construct() #12 /scalar-data/scalar.usc.edu/works/codeigniter.php(203): require_once('/scalar-data/sc...') #13 {main} thrown in /scalar-data/scalar.usc.edu/works/system/database/drivers/mysqli/mysqli_driver.php on line 180