Error: UUID is empty

Settings example:
UUID 18ce0c99-044d-2795-2b12-93329841bce4
WS_PATH /mvtwravn
XHTTP_PATH /3y90yott

WebSocket config.json:
https://nettya.pages.dev/mvtwravn/?fragment=true&uuid=18ce0c99-044d-2795-2b12-93329841bce4

XHTTP config.json:
https://nettya.pages.dev/3y90yott/?fragment=true&uuid=18ce0c99-044d-2795-2b12-93329841bce4

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