Error: UUID is empty

Settings example:
UUID 65ee0896-136f-a424-198d-b9188fca4191
WS_PATH /02eucgg4
XHTTP_PATH /ud1c4rnk

WebSocket config.json:
https://mega-1i4.pages.dev/02eucgg4/?fragment=true&uuid=65ee0896-136f-a424-198d-b9188fca4191

XHTTP config.json:
https://mega-1i4.pages.dev/ud1c4rnk/?fragment=true&uuid=65ee0896-136f-a424-198d-b9188fca4191

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