Error: UUID is empty

Settings example:
UUID 355ebdbb-4bc3-bd21-ca50-3134148490fa
WS_PATH /mrm9xy1b
XHTTP_PATH /pdp1powz

WebSocket config.json:
https://mega-1i4.pages.dev/mrm9xy1b/?fragment=true&uuid=355ebdbb-4bc3-bd21-ca50-3134148490fa

XHTTP config.json:
https://mega-1i4.pages.dev/pdp1powz/?fragment=true&uuid=355ebdbb-4bc3-bd21-ca50-3134148490fa

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