Error: UUID is empty

Settings example:
UUID c9e9e1cb-7f9f-ba73-f7d6-e0e173d5abde
WS_PATH /4i58h7d9
XHTTP_PATH /v5tyzhg4

WebSocket config.json:
https://mega-1i4.pages.dev/4i58h7d9/?fragment=true&uuid=c9e9e1cb-7f9f-ba73-f7d6-e0e173d5abde

XHTTP config.json:
https://mega-1i4.pages.dev/v5tyzhg4/?fragment=true&uuid=c9e9e1cb-7f9f-ba73-f7d6-e0e173d5abde

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