Error: UUID is empty

Settings example:
UUID 59701f22-b474-76cb-dca0-fb9efdb31087
WS_PATH /qtu4mq14
XHTTP_PATH /pqx4zcfu

WebSocket config.json:
https://nettya.pages.dev/qtu4mq14/?fragment=true&uuid=59701f22-b474-76cb-dca0-fb9efdb31087

XHTTP config.json:
https://nettya.pages.dev/pqx4zcfu/?fragment=true&uuid=59701f22-b474-76cb-dca0-fb9efdb31087

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