Error: UUID is empty

Settings example:
UUID c0f86a58-1e41-8dfa-f3ee-ac6de63eaaaf
WS_PATH /l626wl81
XHTTP_PATH /3jnoqtkq

WebSocket config.json:
https://mega-1i4.pages.dev/l626wl81/?fragment=true&uuid=c0f86a58-1e41-8dfa-f3ee-ac6de63eaaaf

XHTTP config.json:
https://mega-1i4.pages.dev/3jnoqtkq/?fragment=true&uuid=c0f86a58-1e41-8dfa-f3ee-ac6de63eaaaf

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