Error: UUID is empty

Settings example:
UUID bf5bff37-cf3a-6f24-3eec-520301712e09
WS_PATH /sq13n3fz
XHTTP_PATH /16954olr

WebSocket config.json:
https://mega-1i4.pages.dev/sq13n3fz/?fragment=true&uuid=bf5bff37-cf3a-6f24-3eec-520301712e09

XHTTP config.json:
https://mega-1i4.pages.dev/16954olr/?fragment=true&uuid=bf5bff37-cf3a-6f24-3eec-520301712e09

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