Error: UUID is empty

Settings example:
UUID d4bf66fa-67a2-e1ce-4e4e-b41ac7628014
WS_PATH /mfzuuvcj
XHTTP_PATH /4mx08tbm

WebSocket config.json:
https://mega-1i4.pages.dev/mfzuuvcj/?fragment=true&uuid=d4bf66fa-67a2-e1ce-4e4e-b41ac7628014

XHTTP config.json:
https://mega-1i4.pages.dev/4mx08tbm/?fragment=true&uuid=d4bf66fa-67a2-e1ce-4e4e-b41ac7628014

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