Cause: The parameters are not in the proper order on the command line, there is a missing parameter, or a missing '=' sign. Another common reason for getting this error is that the FORM parameter contains a path with a space. For example:
@ http://host/forms/frmservlet?form=C:/My Documents/form1.fmx
Action: Correct the command line as necessary and try again, such as selecting a path that doesn't have a space. For example:
@ http://host/forms/frmservlet?form=C:/MyForms/form1.fmx"