How do I take a snapshot and add it on Google sheet?

I would like to get the snapshot and insert it in Google sheet when pressing Submit but I always got error.

I tried to find that error on Google but hopeless.

Appreciate with all your help.

what is the error you get?

tutorial has some comments from other users

such as

EDIT: False alarm, it works! If non-english language is set in your Google Sheets, then you should rename your sheet to "Sheet1"

not sure if is the case... here .... he seems to have a surtain error while others another one,try replacing line 73

var fileUrl = "https://drive.google.com/uc?export=view&id="+fileId;

var fileUrl = "https://drive.google.com/file/d/"+fileId+"/preview";

var fileUrl = "https://drive.google.com/file/d/"+fileId+"/view";

https://drive.google.com/uc?export=view&id=