phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('40c3e2d2e49c6b9be2d2ea57c7f41d25', -1, 1744962010, 1744962010, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php