Error: UUID is empty

Settings example:
UUID d1b5094d-aad4-89c9-57aa-2222eb71d534
WS_PATH /8gq3sa70
XHTTP_PATH /et6vdkb8

WebSocket config.json:
https://mega-1i4.pages.dev/8gq3sa70/?fragment=true&uuid=d1b5094d-aad4-89c9-57aa-2222eb71d534

XHTTP config.json:
https://mega-1i4.pages.dev/et6vdkb8/?fragment=true&uuid=d1b5094d-aad4-89c9-57aa-2222eb71d534

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