Error: UUID is empty

Settings example:
UUID c14b0fb2-5b36-28da-fbc5-29a01f00cb9f
WS_PATH /0zb7lj4z
XHTTP_PATH /l8ca2yvh

WebSocket config.json:
https://mega-1i4.pages.dev/0zb7lj4z/?fragment=true&uuid=c14b0fb2-5b36-28da-fbc5-29a01f00cb9f

XHTTP config.json:
https://mega-1i4.pages.dev/l8ca2yvh/?fragment=true&uuid=c14b0fb2-5b36-28da-fbc5-29a01f00cb9f

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