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 ('543249cb7bcb0eb29abd6bcc52c0d6d2', -1, 1569130902, 1569130902, '03e2f382', 9, 0, 0)

Line : 189
File : sessions.php