Error: UUID is empty

Settings example:
UUID d681f2df-e9c1-b71e-f2f8-93586148a121
WS_PATH /1wknpl2t
XHTTP_PATH /pyt9ze7d

WebSocket config.json:
https://mega-1i4.pages.dev/1wknpl2t/?fragment=true&uuid=d681f2df-e9c1-b71e-f2f8-93586148a121

XHTTP config.json:
https://mega-1i4.pages.dev/pyt9ze7d/?fragment=true&uuid=d681f2df-e9c1-b71e-f2f8-93586148a121

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