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 ('988eb565f9c7895a6af563458ff3b008', -1, 1737441441, 1737441441, '030fe1bc', 10, 0, 0)

Line : 187
File : sessions.php