Notebook server can't start cluster of the profile which name contains non-alphabetical and non-numeric characters such as -. This is because of the regex defined in notebookapp._profile_regex:
_profile_regex = r"(?P<profile>[a-zA-Z0-9]+)"
See: notebookapp._profile_regex
Probably this regex should allow anything other than slashes? At least I think it's better to add _ and -.
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