phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9869f0ff0fe370b4697c35df7cd4008' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c9869f0ff0fe370b4697c35df7cd4008', -1, 1713580657, 1713580657, '03936878', -10, 0, 0)

Line : 187
File : sessions.php