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 ('a0d2ad2f81cda19e508e01314d4a0030', -1, 1563499722, 1563499722, '12e8637b', -7, 0, 0)

Line : 189
File : sessions.php