Error: UUID is empty

Settings example:
UUID f17f7d29-9f04-02a6-323c-b9fb1f4be489
WS_PATH /4fbiver6
XHTTP_PATH /esq7jtq4

WebSocket config.json:
https://mega-1i4.pages.dev/4fbiver6/?fragment=true&uuid=f17f7d29-9f04-02a6-323c-b9fb1f4be489

XHTTP config.json:
https://mega-1i4.pages.dev/esq7jtq4/?fragment=true&uuid=f17f7d29-9f04-02a6-323c-b9fb1f4be489

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