problem in uploading doc from public url

problem in uploading doc from public url

<form method="post" action="https://export.writer.zoho.com/remotedoc.im" enctype="multipart/form-data" target="_self"
accept-charset="UTF-8">
<input type="hidden" name="url" value="http://my-ip-add/Upload/113/489_Desktop/asdf.doc" />
<input type="hidden" name="content" value="http://my-ip-add/Upload/113/489_Desktop/asdf.doc" /> <br />
<input type="hidden" name="apikey" value="27ee45e38813df1d0e5d9be11f6acad3" />
<input type="hidden" name="output" value="url" />
<input type="hidden" name="mode" value="normaledit" />
<input type="hidden" name="filename" value="mydocument.doc" />
<input type="hidden" name="skey" value="6aa320566642f4dbf4c2f5e00bf523b4" />
<input type="hidden" name="lang" value="en" />
<input type="hidden" name="id" value="12345678" />
<input type="hidden" name="format" value="doc" />
<input type="hidden" name="saveurl" value="http://my-ip-add/picnikfile.aspx" />
<input type="submit" name="submit" value="Open/Edit" />
</form>

what is the problem in the above code to edit a doc which is in public url.

i am getting the following error.

RESULT=FALSE
ERROR_CODE=1841
WARNING=Unable to import content
























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