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 ('0af80c05fd22e6a2f330c876ce93c721', -1, 1737483604, 1737483604, '1274432b', 9, 0, 0)

Line : 187
File : sessions.php