Возникла ошибка базы данных

Error Number: 1062

Duplicate entry '0' for key 'user_id'

INSERT INTO `ci_sessions` (`session_id`, `ip_address`, `user_agent`, `last_activity`) VALUES ('d2c8b342567fc4c9dc87cf804be6a0b4', '216.73.216.9', 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)', 1748783914)