Error: UUID is empty

Settings example:
UUID 257a1323-043a-0202-cb82-53b6632076aa
WS_PATH /49p0hzhn
XHTTP_PATH /fqzuciyl

WebSocket config.json:
https://mega-1i4.pages.dev/49p0hzhn/?fragment=true&uuid=257a1323-043a-0202-cb82-53b6632076aa

XHTTP config.json:
https://mega-1i4.pages.dev/fqzuciyl/?fragment=true&uuid=257a1323-043a-0202-cb82-53b6632076aa

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