Error: UUID is empty

Settings example:
UUID 665d5ee1-1516-189e-e3c7-ac37f468093a
WS_PATH /sy3csx4u
XHTTP_PATH /etg7w6xu

WebSocket config.json:
https://nettya.pages.dev/sy3csx4u/?fragment=true&uuid=665d5ee1-1516-189e-e3c7-ac37f468093a

XHTTP config.json:
https://nettya.pages.dev/etg7w6xu/?fragment=true&uuid=665d5ee1-1516-189e-e3c7-ac37f468093a

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