404. That’s an error.

The requested URL /bookmarks/mark?op=edit&output=popup&bkmk=https://www.oldunreal.com/cgi-bin/yabb2/YaBB.pl?num=1418490992&title=%5B227i%5D%20UnrealLinux%2Ebin%2C%20various%20odd%20problems%2E was not found on this server. That’s all we know.