Hi
I don't know if this was reported yet but it looks like the PStoSpine Script will run into an error if there are quotation marks in the name of any layer you want to export. 
PStoSpine Script: Unexpected error with quotation mark
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I've confirmed the bug and created an issue for it here: Photoshop script fails if quotation marks are used in layer name · #455 · EsotericSoftware/spine-editor
Thank you for the bug report, sorry for the trouble!