Error: UUID is empty

Settings example:
UUID efa82fba-6e03-02c4-2680-6bb6e1bb5e43
WS_PATH /b530kpx1
XHTTP_PATH /nh9cpk28

WebSocket config.json:
https://giga-bkx.pages.dev/b530kpx1/?fragment=true&uuid=efa82fba-6e03-02c4-2680-6bb6e1bb5e43

XHTTP config.json:
https://giga-bkx.pages.dev/nh9cpk28/?fragment=true&uuid=efa82fba-6e03-02c4-2680-6bb6e1bb5e43

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