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 ('dafd6cafc49a3a47f69ff5f21d5d0ef3', -1, 1711711149, 1711711149, '2cc95e01', 0, 0, 0)

Line : 193
File : sessions.php