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 ('8723755309dea18087e6cc7202d12923', -1, 1717397914, 1717397914, '340f2b6b', 1, 0, 0)

Line : 187
File : sessions.php