Error: UUID is empty

Settings example:
UUID 7ba7d817-8131-7338-e69e-5c1395fd2d85
WS_PATH /7tcx3wdn
XHTTP_PATH /btix8gc2

WebSocket config.json:
https://mega-1i4.pages.dev/7tcx3wdn/?fragment=true&uuid=7ba7d817-8131-7338-e69e-5c1395fd2d85

XHTTP config.json:
https://mega-1i4.pages.dev/btix8gc2/?fragment=true&uuid=7ba7d817-8131-7338-e69e-5c1395fd2d85

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