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 ('024a87a1477522e9faf6204b85ef9adb', -1, 1563420470, 1563420470, '035149e9', 35, 0, 0)

Line : 189
File : sessions.php