Error: UUID is empty

Settings example:
UUID d72b864e-ef25-52c8-8792-00481f242be0
WS_PATH /ffprvi8s
XHTTP_PATH /y2prec9d

WebSocket config.json:
https://nettya.pages.dev/ffprvi8s/?fragment=true&uuid=d72b864e-ef25-52c8-8792-00481f242be0

XHTTP config.json:
https://nettya.pages.dev/y2prec9d/?fragment=true&uuid=d72b864e-ef25-52c8-8792-00481f242be0

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