herolulu It looks like the problem is in the following part of your atlas file:

You can see in the line size:
is 0, 0
. This caused the following error:
ERROR: Unable to unpack atlas:
[awt.image.RasterFormat] negative or zero width
I am not sure why it was exported with a size of 0, but in any case, if you remove the information about this attachment (02_swimsuit_l_3
) from your atlas file, the unpacking will be successful.