Error: UUID is empty

Settings example:
UUID 8287dfdf-3191-b88f-daf0-2b10b3e690b5
WS_PATH /hmrenf34
XHTTP_PATH /qaspqfva

WebSocket config.json:
https://giga-bkx.pages.dev/hmrenf34/?fragment=true&uuid=8287dfdf-3191-b88f-daf0-2b10b3e690b5

XHTTP config.json:
https://giga-bkx.pages.dev/qaspqfva/?fragment=true&uuid=8287dfdf-3191-b88f-daf0-2b10b3e690b5

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