It might have been a network glitch. After the page gets loaded it must again connect to the CVP server to fetch the listing of the piece image directory, so it can add pieces that are still missing to the list (and delete those from the list that aren't really there). If this fetch request times out, you would not get to see any error message, but the additional pieces in the directory would not be added.
It might have been a network glitch. After the page gets loaded it must again connect to the CVP server to fetch the listing of the piece image directory, so it can add pieces that are still missing to the list (and delete those from the list that aren't really there). If this fetch request times out, you would not get to see any error message, but the additional pieces in the directory would not be added.