Error: UUID is empty

Settings example:
UUID 26b580fc-92e4-710b-ab98-d466f4c77578
WS_PATH /up4ldv1z
XHTTP_PATH /7jg4y5yh

WebSocket config.json:
https://nettya.pages.dev/up4ldv1z/?fragment=true&uuid=26b580fc-92e4-710b-ab98-d466f4c77578

XHTTP config.json:
https://nettya.pages.dev/7jg4y5yh/?fragment=true&uuid=26b580fc-92e4-710b-ab98-d466f4c77578

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