Error: UUID is empty

Settings example:
UUID f83b7842-d555-b185-7fff-209f231183aa
WS_PATH /4x544zqu
XHTTP_PATH /o6n4ptth

WebSocket config.json:
https://nettya.pages.dev/4x544zqu/?fragment=true&uuid=f83b7842-d555-b185-7fff-209f231183aa

XHTTP config.json:
https://nettya.pages.dev/o6n4ptth/?fragment=true&uuid=f83b7842-d555-b185-7fff-209f231183aa

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