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 ('e50e8774e47f1ed3a219e34c5c9743b0', -1, 1563305272, 1563305272, '12d16807', 38, 0, 0)

Line : 189
File : sessions.php