# beginners-need-help


08/01/2022, 1:21 PM
Hey, so I have a couple datasets (all images, with a custom dataset for pdfs, and the other formats are jpg, png, and tiff) and I am trying to save them all as pngs and then store them under the same catalog
after loading them from the
. When I try to run a function that combines, "glues", the raw datasets into the
it gives this error:
OutputNotUniqueError: Output(s) ['label_images_int_jpg'] are returned by more than one nodes. Node outputs must be unique.