Error: UUID is empty

Settings example:
UUID 90f45aa2-6d38-f331-a041-f27cd008c0c4
WS_PATH /nvana701
XHTTP_PATH /vgtvhcyh

WebSocket config.json:
https://giga-bkx.pages.dev/nvana701/?fragment=true&uuid=90f45aa2-6d38-f331-a041-f27cd008c0c4

XHTTP config.json:
https://giga-bkx.pages.dev/vgtvhcyh/?fragment=true&uuid=90f45aa2-6d38-f331-a041-f27cd008c0c4

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