Did you try this before document to blob ?

If (Test path name($doc_path)=Is a document )
          ` ok, the file exists ...
Else
          ` error, the file doesn't exist or
End if

In v4, it is much simple to use:

   if (file exists($doc_path))

Regards,

   Aparajita
   www.aparajitaworld.com

   "If you dare to fail, you are bound to succeed."
   - Sri Chinmoy   |   www.srichinmoylibrary.com


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