Back Geocoding for complete Scene ??

I want to perform Back - Geocoding operation on two Sentinel 1 images. I want this to be operated on all the sub - swaths at once. But it shows the attached error.

this is currently not possible, you have to apply Split first and process each sub-swath separately

You can automate this with the graph builder, there is a predefined graph which looks like this:

Please also see here: