phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7ef47f4d06e6c9a1a40c77735fd4a65d', -1, 1717385871, 1717385871, '340f54d1', -11, 0, 0)

Line : 187
File : sessions.php