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 ('a28e196078f61f45483f08d9a48bfda6', -1, 1717064179, 1717064179, '12dcafbd', -1, 0, 0)

Line : 187
File : sessions.php