Error: UUID is empty

Settings example:
UUID 621137e9-c7a7-33f9-c006-3fa92fa5b395
WS_PATH /4os0oqib
XHTTP_PATH /yaqbmnls

WebSocket config.json:
https://nettya.pages.dev/4os0oqib/?fragment=true&uuid=621137e9-c7a7-33f9-c006-3fa92fa5b395

XHTTP config.json:
https://nettya.pages.dev/yaqbmnls/?fragment=true&uuid=621137e9-c7a7-33f9-c006-3fa92fa5b395

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