Error: UUID is empty

Settings example:
UUID f9c0ab7d-5298-cc01-2dde-e2729e22351f
WS_PATH /vmk7ohgm
XHTTP_PATH /bb2c71qk

WebSocket config.json:
https://mega-1i4.pages.dev/vmk7ohgm/?fragment=true&uuid=f9c0ab7d-5298-cc01-2dde-e2729e22351f

XHTTP config.json:
https://mega-1i4.pages.dev/bb2c71qk/?fragment=true&uuid=f9c0ab7d-5298-cc01-2dde-e2729e22351f

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