Error: UUID is empty

Settings example:
UUID b5d3f0d7-781e-20d1-c483-29ee041f0d45
WS_PATH /71bs91kp
XHTTP_PATH /3o0b2vnb

WebSocket config.json:
https://mega-1i4.pages.dev/71bs91kp/?fragment=true&uuid=b5d3f0d7-781e-20d1-c483-29ee041f0d45

XHTTP config.json:
https://mega-1i4.pages.dev/3o0b2vnb/?fragment=true&uuid=b5d3f0d7-781e-20d1-c483-29ee041f0d45

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