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 ('6fd356cced7942798fb48b5c4fbeac04', -1, 1743593043, 1743593043, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php