pink and black checkerboard

I started a new project from the segmentation template in Lens Studio.
I changed the image and uncheck the Tiled option
but when I do the publish lens option and check it in Snap Camera the background appears pink and black checkerboard
I do it with a new project without any change and have the same result, I hope that the base template works fine, but the behavior is the same pink and black checkerboard.
Any ideas, plz
here is the lens
https://www.snapchat.com/unlock/?type=SNAPCODE&uuid=5f097f141fbb4800a4b1f0766e1a19b4&metadata=01

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