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 ('3ce6f013c5b0e05d450b63d9c9ac3cc8', -1, 1751763064, 1751763064, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php