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 ('f204fd3ec5b39369e7d563b8d36d66e4', -1, 1566511757, 1566511757, '12ce0fd7', -11, 0, 0)

Line : 189
File : sessions.php