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 ('56c4349de2f50d5b9457f3feebd177d7', -1, 1717406863, 1717406863, '038398a6', -4, 0, 0)

Line : 187
File : sessions.php