Upload PowerPoint Presentation to edit using GroupDocs.Editor REST API throws a Fatal error

Got this error while Run:

Uploading file process executing… Presentation\with-notes.pptx
Fatal error : Uncaught Error: Call to a member function getBody() on null

@Digital_life

The UploadFile API is working fine at our end. Please share your sample code along with the input file. We will investigate the issue and will guide you accordingly.