Initialization with the marketplace failed because if a system or network error. Why?

[MariahSkye Denimore]

I keep geting this message when trying to upload clothes to marketplace that I have made: Initialization with the marketplace failed because if a system or network error.  Try again later.  Why?

[Rolig Loon]

I see a version of that same message occasionally.  It helps to try again later.  I suspect that the Marketplace servers get overloaded at busy times and simply can't handle some of the traffic.  I suspect also that some people have this problem if they have weak or flaky Internet connections, such as you might have if you were using wireless -- generally a bad idea in SL anyway.