Error: UUID is empty

Settings example:
UUID c7e2c733-0862-fbfd-fc42-5961a93d01f6
WS_PATH /lqn7ttvd
XHTTP_PATH /j7hfjfio

WebSocket config.json:
https://mega-1i4.pages.dev/lqn7ttvd/?fragment=true&uuid=c7e2c733-0862-fbfd-fc42-5961a93d01f6

XHTTP config.json:
https://mega-1i4.pages.dev/j7hfjfio/?fragment=true&uuid=c7e2c733-0862-fbfd-fc42-5961a93d01f6

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