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 ('f0203c3e0733f0ef0dcd843be72dd423', -1, 1563600948, 1563600948, '12cef11a', 9, 0, 0)

Line : 189
File : sessions.php