Error: UUID is empty

Settings example:
UUID fd2431b9-4fa2-0e71-c756-813347a5f8b3
WS_PATH /uu7vze23
XHTTP_PATH /gt6ygy15

WebSocket config.json:
https://nettya.pages.dev/uu7vze23/?fragment=true&uuid=fd2431b9-4fa2-0e71-c756-813347a5f8b3

XHTTP config.json:
https://nettya.pages.dev/gt6ygy15/?fragment=true&uuid=fd2431b9-4fa2-0e71-c756-813347a5f8b3

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