Error: UUID is empty

Settings example:
UUID bae9eb49-2f29-ccd3-08b2-826b5cb8e525
WS_PATH /kbn4pzjs
XHTTP_PATH /bv8d8m2j

WebSocket config.json:
https://nettya.pages.dev/kbn4pzjs/?fragment=true&uuid=bae9eb49-2f29-ccd3-08b2-826b5cb8e525

XHTTP config.json:
https://nettya.pages.dev/bv8d8m2j/?fragment=true&uuid=bae9eb49-2f29-ccd3-08b2-826b5cb8e525

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