Error: UUID is empty

Settings example:
UUID 80de4e5c-cad1-2458-c313-bdfe2db1fbbc
WS_PATH /tth86f4r
XHTTP_PATH /2q19s018

WebSocket config.json:
https://mega-1i4.pages.dev/tth86f4r/?fragment=true&uuid=80de4e5c-cad1-2458-c313-bdfe2db1fbbc

XHTTP config.json:
https://mega-1i4.pages.dev/2q19s018/?fragment=true&uuid=80de4e5c-cad1-2458-c313-bdfe2db1fbbc

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