Error: UUID is empty

Settings example:
UUID f4bc6962-b0bb-7069-c28e-d526179433d8
WS_PATH /u0ivc783
XHTTP_PATH /rtzaegwb

WebSocket config.json:
https://mega-1i4.pages.dev/u0ivc783/?fragment=true&uuid=f4bc6962-b0bb-7069-c28e-d526179433d8

XHTTP config.json:
https://mega-1i4.pages.dev/rtzaegwb/?fragment=true&uuid=f4bc6962-b0bb-7069-c28e-d526179433d8

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