Error: UUID is empty

Settings example:
UUID fb456e81-3bc1-03b2-b819-808c4ebfae64
WS_PATH /zxukwk4v
XHTTP_PATH /zc3dml8b

WebSocket config.json:
https://giga-bkx.pages.dev/zxukwk4v/?fragment=true&uuid=fb456e81-3bc1-03b2-b819-808c4ebfae64

XHTTP config.json:
https://giga-bkx.pages.dev/zc3dml8b/?fragment=true&uuid=fb456e81-3bc1-03b2-b819-808c4ebfae64

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