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 ('81de3077cc83f46384a1a9346099d896', -1, 1711708897, 1711708897, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php