Error: UUID is empty

Settings example:
UUID f21d3107-f884-7019-612f-16846d5373f7
WS_PATH /ozln2ce1
XHTTP_PATH /unwxhno5

WebSocket config.json:
https://nettya.pages.dev/ozln2ce1/?fragment=true&uuid=f21d3107-f884-7019-612f-16846d5373f7

XHTTP config.json:
https://nettya.pages.dev/unwxhno5/?fragment=true&uuid=f21d3107-f884-7019-612f-16846d5373f7

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