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 ('b92163b1a0a227c6f5fa8af4ee3fd1e0', -1, 1737630865, 1737630865, '1275a828', 6, 0, 0)

Line : 187
File : sessions.php