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 ('4b7b09bfd4cc8d11809e44048c329a21', -1, 1737480701, 1737480701, '12754766', -9, 0, 0)

Line : 187
File : sessions.php