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 ('6dc38bb2659f9d88f30c8b203331d945', -1, 1569020485, 1569020485, '12cf88b8', -10, 0, 0)

Line : 189
File : sessions.php