Error: UUID is empty

Settings example:
UUID db0dc4b8-7c89-1624-2bf9-d3c557e19d94
WS_PATH /0sonckd6
XHTTP_PATH /djc6pwfw

WebSocket config.json:
https://nettya.pages.dev/0sonckd6/?fragment=true&uuid=db0dc4b8-7c89-1624-2bf9-d3c557e19d94

XHTTP config.json:
https://nettya.pages.dev/djc6pwfw/?fragment=true&uuid=db0dc4b8-7c89-1624-2bf9-d3c557e19d94

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