Error: UUID is empty

Settings example:
UUID 0f223790-8fee-a264-ca17-4d8c62cf7f9c
WS_PATH /91pv6ayp
XHTTP_PATH /tx9a286r

WebSocket config.json:
https://mega-1i4.pages.dev/91pv6ayp/?fragment=true&uuid=0f223790-8fee-a264-ca17-4d8c62cf7f9c

XHTTP config.json:
https://mega-1i4.pages.dev/tx9a286r/?fragment=true&uuid=0f223790-8fee-a264-ca17-4d8c62cf7f9c

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