This looks like an error in the tool you've used to write the image to the USB disk, not a bug in the image.
As far as I understand, Startup Disk Creator is not software that's part of Ubuntu; so closing this bug rather than reassigning.
This looks like an error in the tool you've used to write the image to the USB disk, not a bug in the image.
As far as I understand, Startup Disk Creator is not software that's part of Ubuntu; so closing this bug rather than reassigning.