Error: UUID is empty

Settings example:
UUID 50c25fda-3a66-dab8-7fed-1a9e45d733e6
WS_PATH /dfv2oo62
XHTTP_PATH /h0aumbv1

WebSocket config.json:
https://nettya.pages.dev/dfv2oo62/?fragment=true&uuid=50c25fda-3a66-dab8-7fed-1a9e45d733e6

XHTTP config.json:
https://nettya.pages.dev/h0aumbv1/?fragment=true&uuid=50c25fda-3a66-dab8-7fed-1a9e45d733e6

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