A Database Error Occurred

Error Number: 1364

Field 'user_data' doesn't have a default value

INSERT INTO `ci_sessions` (`session_id`, `ip_address`, `user_agent`, `last_activity`) VALUES ('f0fae1fd60843e1892ba33868a363a6b', '54.198.3.15', 'CCBot/2.0 (http://commoncrawl.org/faq/)', 1532304042)