NP, this isn't the only place I have a "sword" either.
Some of those "barcodes" are not proper barcodes. In the idea that the data we put into the barcode field is a UPC, EAN or JAN or other equivalent number. That number that you tried to put, while it does exist printed below the barcode, is not valid for our purposes. For now, it should be put into the description as the number under the barcode. And it would be interesting to see what value you would get back by scanning the actual barcode.
You can resubmit that picture of Utawarerumono. In the edit review queue, it was not obvious to be a difference, so I could not even see that there was an ESRB rating on that picture, or that there was any difference. We'd prefer an actual front image tho, rather than the stock photo, if that is possible.