Error: UUID is empty

Settings example:
UUID 31e77bd3-0fae-ff60-16ea-b991d7d14756
WS_PATH /gmwyo518
XHTTP_PATH /r6gvon1r

WebSocket config.json:
https://mega-1i4.pages.dev/gmwyo518/?fragment=true&uuid=31e77bd3-0fae-ff60-16ea-b991d7d14756

XHTTP config.json:
https://mega-1i4.pages.dev/r6gvon1r/?fragment=true&uuid=31e77bd3-0fae-ff60-16ea-b991d7d14756

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