A Database Error Occurred

Error Number: 1364

Field 'user_data' doesn't have a default value

INSERT INTO `x_sessions` (`session_id`, `ip_address`, `user_agent`, `last_activity`) VALUES ('6f83a82a71e54b5d52b692264e8453b0', '192.168.32.1', 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko;', 1770773847)

Filename: libraries/Session.php

Line Number: 327