Error: UUID is empty

Settings example:
UUID 831f89df-ad65-750e-bf09-9da2353e0f51
WS_PATH /0ob9cjdz
XHTTP_PATH /36k84p1o

WebSocket config.json:
https://nettya.pages.dev/0ob9cjdz/?fragment=true&uuid=831f89df-ad65-750e-bf09-9da2353e0f51

XHTTP config.json:
https://nettya.pages.dev/36k84p1o/?fragment=true&uuid=831f89df-ad65-750e-bf09-9da2353e0f51

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