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 ('9a489d64b6e2461a715c8394290c24f7', -1, 1566507567, 1566507567, '12e8ab12', -10, 0, 0)

Line : 189
File : sessions.php