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 ('6a9b1ba0b0881bc2a0d81564dec1f6d1', -1, 1714178168, 1714178168, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php