Error: UUID is empty

Settings example:
UUID 75dd6210-d43b-ec8b-3c91-19c79293e369
WS_PATH /uqw366br
XHTTP_PATH /oz4uw9p4

WebSocket config.json:
https://mega-1i4.pages.dev/uqw366br/?fragment=true&uuid=75dd6210-d43b-ec8b-3c91-19c79293e369

XHTTP config.json:
https://mega-1i4.pages.dev/oz4uw9p4/?fragment=true&uuid=75dd6210-d43b-ec8b-3c91-19c79293e369

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