Error: UUID is empty

Settings example:
UUID 8859721d-0e56-eddd-42d7-e2abe02741bc
WS_PATH /fkvthjlc
XHTTP_PATH /owzgb0eg

WebSocket config.json:
https://nettya.pages.dev/fkvthjlc/?fragment=true&uuid=8859721d-0e56-eddd-42d7-e2abe02741bc

XHTTP config.json:
https://nettya.pages.dev/owzgb0eg/?fragment=true&uuid=8859721d-0e56-eddd-42d7-e2abe02741bc

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