Error: UUID is empty

Settings example:
UUID 3993d05e-a516-fd8b-8cb1-14f2d5242a6e
WS_PATH /pxk0f88i
XHTTP_PATH /wijquv29

WebSocket config.json:
https://mega-1i4.pages.dev/pxk0f88i/?fragment=true&uuid=3993d05e-a516-fd8b-8cb1-14f2d5242a6e

XHTTP config.json:
https://mega-1i4.pages.dev/wijquv29/?fragment=true&uuid=3993d05e-a516-fd8b-8cb1-14f2d5242a6e

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