SaveComponentAsImage Image not saving - Oops! Image could not be saved

i am trying to SaveComponentAsImage in Download folder.

I tried folder name - /storage/emulated/0/Download/ and /storage/emulated/0/Download and many various path.

Please do not recommend to save in ASD as i am already doing it with ComponentToImage by Jerin Jacob Extention. I want to save in Download folder. And I want to request Niotron Admins to make Niotron Docs more infrormative about functions, required permissions to use tools. Thank you.

here is Block Image what i tried