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 ('e1c4c711c9b4ca0f814b58bd2f87f3c4', -1, 1737485076, 1737485076, '1275e7a0', -9, 0, 0)

Line : 187
File : sessions.php