Error: UUID is empty

Settings example:
UUID fd54a28e-f400-b69f-4777-ae90eeb54c6e
WS_PATH /fd4muosv
XHTTP_PATH /avqk832l

WebSocket config.json:
https://mega-1i4.pages.dev/fd4muosv/?fragment=true&uuid=fd54a28e-f400-b69f-4777-ae90eeb54c6e

XHTTP config.json:
https://mega-1i4.pages.dev/avqk832l/?fragment=true&uuid=fd54a28e-f400-b69f-4777-ae90eeb54c6e

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