Using pdf preset file in Indesign server

Hi,

Using pdf preset as a input file to generate pdf files using indesign server . It gives the error as per below

rrmsg=PDF error:Invalid value for parameter 'using' of method 'exportFile'. Expected PDFExportPreset, but received FALSE

pdf preset file used is as Adobe PDF Preset 1.joboptions

Any workaround to fix the above error msg ???