I'm getting this error again. Maybe it resurfaced?
Mine is PolygonBatch.as line 168 where it's reading from uvs at index 8, but length of uvs is only 8.
I am using Starling 1.7's asset manager to reference the TextureAtlas and json file data as opposed to embeds. I got the raptor example to work the same way, but when my artist exported his project and I put it in the game the same exact way as the raptor example I get this error.