Error: UUID is empty

Settings example:
UUID b4b7dc25-693d-8f2d-1770-ae84834d7a61
WS_PATH /xulqr07r
XHTTP_PATH /buvqz3k0

WebSocket config.json:
https://mega-1i4.pages.dev/xulqr07r/?fragment=true&uuid=b4b7dc25-693d-8f2d-1770-ae84834d7a61

XHTTP config.json:
https://mega-1i4.pages.dev/buvqz3k0/?fragment=true&uuid=b4b7dc25-693d-8f2d-1770-ae84834d7a61

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