nah that's fine, payload errors like the one above used to happen when there was no network connection, so if these are the offline ISOs and that error is still here, then it's something else
An atomic variant looks, feels, and behaves just like a regular desktop operating system, but your updates are delivered as full images of a working system. This makes every installation identical to every other, and it will never change while in use. What's more, Silverblue will always keep an older version of the system around for you to boot ...