"This rig contains multiple parts which share the same name" even though there are no parts in the model that are the same name

Had this error pop up when I tried to animate my rig. How do I fix this? Here is the RBXM file.
caterpillar.rbxm (6.5 KB)

For some reason it won’t open the download.

Does this one work
caterpillar.rbxm (6.5 KB)

You have “LeftAntenna2” named twice in the model
image

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