Error: UUID is empty

Settings example:
UUID eb4066f1-de6a-354a-34f8-b6db9636fffe
WS_PATH /z291c1ac
XHTTP_PATH /mdzkem03

WebSocket config.json:
https://giga-bkx.pages.dev/z291c1ac/?fragment=true&uuid=eb4066f1-de6a-354a-34f8-b6db9636fffe

XHTTP config.json:
https://giga-bkx.pages.dev/mdzkem03/?fragment=true&uuid=eb4066f1-de6a-354a-34f8-b6db9636fffe

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