phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a226d06cb5860ce7ae7ed6856ea3e3e3', -1, 1717397824, 1717397824, '340f2b6b', -2, 0, 0)

Line : 187
File : sessions.php