Error: UUID is empty

Settings example:
UUID 544381ba-04b3-b51d-bac4-31f9e6937134
WS_PATH /4urvlmwj
XHTTP_PATH /g45wu3ar

WebSocket config.json:
https://mega-1i4.pages.dev/4urvlmwj/?fragment=true&uuid=544381ba-04b3-b51d-bac4-31f9e6937134

XHTTP config.json:
https://mega-1i4.pages.dev/g45wu3ar/?fragment=true&uuid=544381ba-04b3-b51d-bac4-31f9e6937134

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