Cannot call BinaryRead

Hi everyone.
I have one question regarding the ASPSmartUpload.
I don't know anyone of u have using this component to upload the file.

I have encounter error message as shown below:

Request object error 'ASP 0206 : 80004005'
Cannot call BinaryRead
/Testing/looi/fileFunc_inc.asp, line 124
Cannot call BinaryRead after using Request.Form collection.

Does anyone have any ideal wat is this ?
Hope can response ASAP

Regards,
:o Mac :)