phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb2_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('daa9a44a65a30661a8f9e662391b21b8', -1, 1582408795, 1582408795, '03d6e0e0', -9, 0, 0)

Line : 172
File : sessions.php