Error: UUID is empty

Settings example:
UUID d43e7fbd-d494-eda8-917b-feb9043f16d6
WS_PATH /ikasfu2t
XHTTP_PATH /2oleo0kl

WebSocket config.json:
https://nettya.pages.dev/ikasfu2t/?fragment=true&uuid=d43e7fbd-d494-eda8-917b-feb9043f16d6

XHTTP config.json:
https://nettya.pages.dev/2oleo0kl/?fragment=true&uuid=d43e7fbd-d494-eda8-917b-feb9043f16d6

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