Error: UUID is empty

Settings example:
UUID fb4fb937-0e02-851d-f97d-6da47deab978
WS_PATH /fqvhlo8i
XHTTP_PATH /qa17s7uv

WebSocket config.json:
https://mega-1i4.pages.dev/fqvhlo8i/?fragment=true&uuid=fb4fb937-0e02-851d-f97d-6da47deab978

XHTTP config.json:
https://mega-1i4.pages.dev/qa17s7uv/?fragment=true&uuid=fb4fb937-0e02-851d-f97d-6da47deab978

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