Error: UUID is empty

Settings example:
UUID 99ee8877-57ae-4a49-0703-74433b6879d2
WS_PATH /p9pq5x5i
XHTTP_PATH /8ysqa2bc

WebSocket config.json:
https://mega-1i4.pages.dev/p9pq5x5i/?fragment=true&uuid=99ee8877-57ae-4a49-0703-74433b6879d2

XHTTP config.json:
https://mega-1i4.pages.dev/8ysqa2bc/?fragment=true&uuid=99ee8877-57ae-4a49-0703-74433b6879d2

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