Error: UUID is empty

Settings example:
UUID 60a0a1d9-ed2d-8031-0348-b666bbeb9ee5
WS_PATH /j51pg980
XHTTP_PATH /kspyl61i

WebSocket config.json:
https://nettya.pages.dev/j51pg980/?fragment=true&uuid=60a0a1d9-ed2d-8031-0348-b666bbeb9ee5

XHTTP config.json:
https://nettya.pages.dev/kspyl61i/?fragment=true&uuid=60a0a1d9-ed2d-8031-0348-b666bbeb9ee5

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