Error: UUID is empty

Settings example:
UUID af4e7b73-2841-5d11-99b2-7d92731b1c53
WS_PATH /gvakizh6
XHTTP_PATH /ket8oyt5

WebSocket config.json:
https://nettya.pages.dev/gvakizh6/?fragment=true&uuid=af4e7b73-2841-5d11-99b2-7d92731b1c53

XHTTP config.json:
https://nettya.pages.dev/ket8oyt5/?fragment=true&uuid=af4e7b73-2841-5d11-99b2-7d92731b1c53

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