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 ('84c893df269e4f38f590386137027171', -1, 1737571219, 1737571219, '03906f2a', 3, 0, 0)

Line : 187
File : sessions.php