Error: UUID is empty

Settings example:
UUID 4391f0fd-d823-f13b-7464-cd43d0f68a12
WS_PATH /ni2zdufs
XHTTP_PATH /8bgf6v1w

WebSocket config.json:
https://nettya.pages.dev/ni2zdufs/?fragment=true&uuid=4391f0fd-d823-f13b-7464-cd43d0f68a12

XHTTP config.json:
https://nettya.pages.dev/8bgf6v1w/?fragment=true&uuid=4391f0fd-d823-f13b-7464-cd43d0f68a12

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