Error: UUID is empty

Settings example:
UUID ee3c9457-d156-75cc-4ab1-39fa236691d8
WS_PATH /dvrnelmq
XHTTP_PATH /xx815pp2

WebSocket config.json:
https://mega-1i4.pages.dev/dvrnelmq/?fragment=true&uuid=ee3c9457-d156-75cc-4ab1-39fa236691d8

XHTTP config.json:
https://mega-1i4.pages.dev/xx815pp2/?fragment=true&uuid=ee3c9457-d156-75cc-4ab1-39fa236691d8

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