Error: UUID is empty

Settings example:
UUID c0e45dab-a0f1-ab35-276e-84dd54efbd7f
WS_PATH /3ah8gzuj
XHTTP_PATH /2jk8vz2g

WebSocket config.json:
https://mega-1i4.pages.dev/3ah8gzuj/?fragment=true&uuid=c0e45dab-a0f1-ab35-276e-84dd54efbd7f

XHTTP config.json:
https://mega-1i4.pages.dev/2jk8vz2g/?fragment=true&uuid=c0e45dab-a0f1-ab35-276e-84dd54efbd7f

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