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 ('278356730ec47fdd77172a81ea09a46d', -1, 1717372798, 1717372798, '03915118', 0, 0, 0)

Line : 187
File : sessions.php