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 ('b932df169057fe56e1775d3f297805d1', -1, 1563610904, 1563610904, '365145dc', 4, 0, 0)

Line : 189
File : sessions.php