Error: UUID is empty

Settings example:
UUID 26cb9619-ed66-41b4-1d03-80ea35a08fc9
WS_PATH /vs99ths4
XHTTP_PATH /no466k0a

WebSocket config.json:
https://nettya.pages.dev/vs99ths4/?fragment=true&uuid=26cb9619-ed66-41b4-1d03-80ea35a08fc9

XHTTP config.json:
https://nettya.pages.dev/no466k0a/?fragment=true&uuid=26cb9619-ed66-41b4-1d03-80ea35a08fc9

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