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