Error: UUID is empty

Settings example:
UUID 27be09d3-db1f-73e2-dec0-49f306c00439
WS_PATH /f9u1ir5c
XHTTP_PATH /r622mbiw

WebSocket config.json:
https://mega-1i4.pages.dev/f9u1ir5c/?fragment=true&uuid=27be09d3-db1f-73e2-dec0-49f306c00439

XHTTP config.json:
https://mega-1i4.pages.dev/r622mbiw/?fragment=true&uuid=27be09d3-db1f-73e2-dec0-49f306c00439

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