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 ('c84941cca158ace1bebdcc43a165dc4e', -1, 1560860203, 1560860203, '22eb8fbe', -4, 0, 0)

Line : 189
File : sessions.php