Error: UUID is empty

Settings example:
UUID a681307c-a071-3b11-f0f4-1e6ba6269ea3
WS_PATH /tvxv93sv
XHTTP_PATH /2r2wuurn

WebSocket config.json:
https://mega-1i4.pages.dev/tvxv93sv/?fragment=true&uuid=a681307c-a071-3b11-f0f4-1e6ba6269ea3

XHTTP config.json:
https://mega-1i4.pages.dev/2r2wuurn/?fragment=true&uuid=a681307c-a071-3b11-f0f4-1e6ba6269ea3

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