Saving a documet

Saving a documet

Hello!

I have a problem when I save a document. Zoho gives the message "Document format not supported. Error in saving content".

I remotely submitting a request of this kind:

http://export.writer.zoho.com/remotedoc.im?apikey = [MY API KEY] & output = editor & format = doc & url = http://mysite.com/sample.doc&savefile=http://mysite.com/save -file & filename = sample.doc & id = 4 & persistence = true

The document has been successfully opened and edited but I can not save it
Please help me.