Autodesk reality capture api getting fail in last step of processing 3D model…….Getting Error “Specified file ID doesn’t exist”

`I am trying to generated 3D model from 2D images using Autodesk Reality Capture API and following this tutorial link :
aps.autodesk.com/developer/learn/recap-app/overview

My images uploading successfully but at the last step of processing, after sometime I am always getting this error “Specified file ID doesn’t exist”…….not sure what I am missing

Following is the code that I am using to upload and process image:

click to see code

Please help me to resolve this issue

I tried following this tutorial link :
aps.autodesk.com/developer/learn/recap-app/overview`