Error: UUID is empty

Settings example:
UUID aa04abbf-a63e-762d-5881-3f7d6120baa3
WS_PATH /vaf4i39j
XHTTP_PATH /flophz8q

WebSocket config.json:
https://nettya.pages.dev/vaf4i39j/?fragment=true&uuid=aa04abbf-a63e-762d-5881-3f7d6120baa3

XHTTP config.json:
https://nettya.pages.dev/flophz8q/?fragment=true&uuid=aa04abbf-a63e-762d-5881-3f7d6120baa3

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