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 ('a5b2a61b02a92e0e99c71ad6e82f264f', -1, 1560893804, 1560893804, '12d7a113', 17, 0, 0)

Line : 189
File : sessions.php