Error: UUID is empty

Settings example:
UUID b33f47d8-e58c-a219-0a4c-e4b2d1250ac8
WS_PATH /zukrvf4s
XHTTP_PATH /ov6xp6xo

WebSocket config.json:
https://mega-1i4.pages.dev/zukrvf4s/?fragment=true&uuid=b33f47d8-e58c-a219-0a4c-e4b2d1250ac8

XHTTP config.json:
https://mega-1i4.pages.dev/ov6xp6xo/?fragment=true&uuid=b33f47d8-e58c-a219-0a4c-e4b2d1250ac8

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