Sometimes we don't have an image for an SWF asset. This can happen when
assets were converted to HTML5 without a PNG specified in the manifest.
(One example is bio/363, the Hind Biology for the Mutant Blumaroo.)
I'm noticing there's a second issue here on DTI's end, where it looks
like *we* have two copies of certain layers? I wonder if this was a bug
in like, the impress-2020 modeling code we tested at one point? Or if
this is in our main modeling code? e.g. the Mutant Blumaroo's bio/363
is in our database with DTI ID 192 and DTI ID 606955, and only the
former is registered as having an image (which we made ourselves and
host on S3).
So, I'm gonna start by just having the more graceful failure mode of
skipping the missing layer. But I'm also concerned about the root here,
I'll investigate!
Emi Matchu
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