Error: UUID is empty

Settings example:
UUID ab14d2d0-29a5-8688-8028-6464ce786c1f
WS_PATH /j4iy5n5v
XHTTP_PATH /snls3vdb

WebSocket config.json:
https://mega-1i4.pages.dev/j4iy5n5v/?fragment=true&uuid=ab14d2d0-29a5-8688-8028-6464ce786c1f

XHTTP config.json:
https://mega-1i4.pages.dev/snls3vdb/?fragment=true&uuid=ab14d2d0-29a5-8688-8028-6464ce786c1f

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