Error: UUID is empty

Settings example:
UUID 45d8fc3d-67d6-fd99-7185-87a2042f6e76
WS_PATH /ugx8ldss
XHTTP_PATH /acktbhgv

WebSocket config.json:
https://mega-1i4.pages.dev/ugx8ldss/?fragment=true&uuid=45d8fc3d-67d6-fd99-7185-87a2042f6e76

XHTTP config.json:
https://mega-1i4.pages.dev/acktbhgv/?fragment=true&uuid=45d8fc3d-67d6-fd99-7185-87a2042f6e76

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