Error: UUID is empty

Settings example:
UUID af311ff8-8038-92da-40a7-ab35f3a21260
WS_PATH /izfb1w5o
XHTTP_PATH /x24lrffl

WebSocket config.json:
https://mega-1i4.pages.dev/izfb1w5o/?fragment=true&uuid=af311ff8-8038-92da-40a7-ab35f3a21260

XHTTP config.json:
https://mega-1i4.pages.dev/x24lrffl/?fragment=true&uuid=af311ff8-8038-92da-40a7-ab35f3a21260

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