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 ('436ca1e0011f8d60cf00afe015d95bab', -1, 1753844086, 1753844086, 'd849d8ec', 2, 0, 0)

Line : 187
File : sessions.php