A Database Error Occurred

Error Number: 1062

Duplicate entry '3ahshj7esq034p0mh6lsf47dtf26vajb' for key 'PRIMARY'

INSERT INTO `ep_sessions` (`id`, `ip_address`, `timestamp`, `data`) VALUES ('3ahshj7esq034p0mh6lsf47dtf26vajb', '216.73.216.184', 1766884174, '__ci_last_regenerate|i:1766884174;current_page|s:30:\"event/2013-ironman-new-zealand\";search_data|a:4:{s:5:\"start\";i:0;s:3:\"num\";i:2000;s:3:\"sub\";a:1:{s:5:\"event\";s:2:\"93\";}s:5:\"order\";s:5:\"start\";}')

Filename: libraries/Session/drivers/Session_database_driver.php

Line Number: 236