A Database Error Occurred

Error Number: 1062

Duplicate entry 'crgmmqqs0d11ahcbhqth1ua1ver7vg47' for key 'PRIMARY'

INSERT INTO `ep_sessions` (`id`, `ip_address`, `timestamp`, `data`) VALUES ('crgmmqqs0d11ahcbhqth1ua1ver7vg47', '216.73.216.184', 1766449401, '__ci_last_regenerate|i:1766449401;current_page|s:42:\"event/2015-ironman-arizona/category/finish\";search_data|a:4:{s:5:\"start\";i:0;s:3:\"num\";i:2000;s:3:\"sub\";a:2:{s:5:\"event\";s:3:\"240\";s:8:\"category\";s:6:\"finish\";}s:5:\"order\";s:5:\"start\";}')

Filename: libraries/Session/drivers/Session_database_driver.php

Line Number: 236