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 ('1ed9b7765fce4ab5e8c3dff9a9fd6d1b', -1, 1737598155, 1737598155, '03926b31', 3, 0, 0)

Line : 187
File : sessions.php