Error: UUID is empty

Settings example:
UUID 278250f4-7196-00ab-418c-a4aeb9840efb
WS_PATH /tvxu81yp
XHTTP_PATH /zabzbv1x

WebSocket config.json:
https://nettya.pages.dev/tvxu81yp/?fragment=true&uuid=278250f4-7196-00ab-418c-a4aeb9840efb

XHTTP config.json:
https://nettya.pages.dev/zabzbv1x/?fragment=true&uuid=278250f4-7196-00ab-418c-a4aeb9840efb

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