Error: UUID is empty

Settings example:
UUID b9c5c83f-3e58-995d-8c7b-199824785d52
WS_PATH /kkr9uv3c
XHTTP_PATH /k6tma3d9

WebSocket config.json:
https://mega-1i4.pages.dev/kkr9uv3c/?fragment=true&uuid=b9c5c83f-3e58-995d-8c7b-199824785d52

XHTTP config.json:
https://mega-1i4.pages.dev/k6tma3d9/?fragment=true&uuid=b9c5c83f-3e58-995d-8c7b-199824785d52

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