On Tue, Jan 12, 2010 at 7:49 AM, Thomas den Braber <tho...@delos.nl> wrote:
[ ... ]

> The error is: 'IO error: seeking to rewrite local header : Invalid
> argument'
>

That error means that after writing something to the ZIP archive, it tried
to go backwards to put what it just wrote in the header, but found it
couldn't do that because it's output is going over the network and what's
already sent can't be changed.

A temporary file is certainly one fix, as people here have suggested.  The
fact that it used to work means that it must be possible to generate a ZIP
file without seeking around, so my advice would be to poke around in the
options and see if you find anything useful.

Hope this is at least a little helpful!

----Scott.

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