Error: UUID is empty

Settings example:
UUID 90afed35-8cb4-f48c-5642-b50917c24a91
WS_PATH /13anuzkw
XHTTP_PATH /0yp0wosh

WebSocket config.json:
https://mega-1i4.pages.dev/13anuzkw/?fragment=true&uuid=90afed35-8cb4-f48c-5642-b50917c24a91

XHTTP config.json:
https://mega-1i4.pages.dev/0yp0wosh/?fragment=true&uuid=90afed35-8cb4-f48c-5642-b50917c24a91

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