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 ('d11ee85ae4b4a1af4c793a7f63bb2e37', -1, 1737485521, 1737485521, '0391557b', 5, 0, 0)

Line : 187
File : sessions.php