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 ('643377b1bf40b88f0a1ca6702f2583d1', -1, 1737662367, 1737662367, '340ff40b', -9, 0, 0)

Line : 187
File : sessions.php