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 ('0fb95f7cdda293e975a521d9069eb719', -1, 1711699999, 1711699999, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php