A Database Error Occurred

Error Number: 1364

Field 'session_data' doesn't have a default value

INSERT INTO `ci_sessions` (`session_id`, `session_start`, `session_last_activity`, `session_ip_address`, `session_user_agent`) VALUES ('f5ad1c0249025e7c14a4e88b2bc6e15c', 1571266445, 1571266445, '18.208.159.25', 'CCBot/2.0 (https://commoncrawl.org/faq/)')